tests: Add mbedtls_test_ prefix to rnd_* symbols

Add mbedtls_test_ prefix to rnd_buf_info and
rnd_pseudo_info types, to rnd_std_rand(),
rnd_zero_rand(), rnd_buffer_rand() and
rnd_pseudo_rand() functions.

Command to change *.function files:
find . -name "*.function" -exec awk -i inplace \
    '{sub(/rnd_(buf_info|pseudo_info|std_rand| \
    zero_rand|buffer_rand|pseudo_rand)/, \
    "mbedtls_test_&")}1' {} \;

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/suites/test_suite_ecjpake.function b/tests/suites/test_suite_ecjpake.function
index 38f190d..0c223a3 100644
--- a/tests/suites/test_suite_ecjpake.function
+++ b/tests/suites/test_suite_ecjpake.function
@@ -139,19 +139,19 @@
                             mbedtls_ecjpake_write_round_one( NULL,
                                                              buf, len,
                                                              &olen,
-                                                             rnd_std_rand,
+                                                             mbedtls_test_rnd_std_rand,
                                                              NULL ) );
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
                             mbedtls_ecjpake_write_round_one( &ctx,
                                                              NULL, len,
                                                              &olen,
-                                                             rnd_std_rand,
+                                                             mbedtls_test_rnd_std_rand,
                                                              NULL ) );
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
                             mbedtls_ecjpake_write_round_one( &ctx,
                                                              buf, len,
                                                              NULL,
-                                                             rnd_std_rand,
+                                                             mbedtls_test_rnd_std_rand,
                                                              NULL ) );
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
                             mbedtls_ecjpake_write_round_one( &ctx,
@@ -164,19 +164,19 @@
                             mbedtls_ecjpake_write_round_two( NULL,
                                                              buf, len,
                                                              &olen,
-                                                             rnd_std_rand,
+                                                             mbedtls_test_rnd_std_rand,
                                                              NULL ) );
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
                             mbedtls_ecjpake_write_round_two( &ctx,
                                                              NULL, len,
                                                              &olen,
-                                                             rnd_std_rand,
+                                                             mbedtls_test_rnd_std_rand,
                                                              NULL ) );
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
                             mbedtls_ecjpake_write_round_two( &ctx,
                                                              buf, len,
                                                              NULL,
-                                                             rnd_std_rand,
+                                                             mbedtls_test_rnd_std_rand,
                                                              NULL ) );
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
                             mbedtls_ecjpake_write_round_two( &ctx,
@@ -203,19 +203,19 @@
                             mbedtls_ecjpake_derive_secret( NULL,
                                                            buf, len,
                                                            &olen,
-                                                           rnd_std_rand,
+                                                           mbedtls_test_rnd_std_rand,
                                                            NULL ) );
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
                             mbedtls_ecjpake_derive_secret( &ctx,
                                                            NULL, len,
                                                            &olen,
-                                                           rnd_std_rand,
+                                                           mbedtls_test_rnd_std_rand,
                                                            NULL ) );
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
                             mbedtls_ecjpake_derive_secret( &ctx,
                                                            buf, len,
                                                            NULL,
-                                                           rnd_std_rand,
+                                                           mbedtls_test_rnd_std_rand,
                                                            NULL ) );
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
                             mbedtls_ecjpake_derive_secret( &ctx,