Removes mode param from mbedtls_rsa_pkcs1_sign

Commit removes the mode parameter from
mbedtls_rsa_pkcs1_sign and progagates the
change to all relevant parts of the codebase.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
diff --git a/tests/suites/test_suite_rsa.function b/tests/suites/test_suite_rsa.function
index 7c7d8f9..e4f9625 100644
--- a/tests/suites/test_suite_rsa.function
+++ b/tests/suites/test_suite_rsa.function
@@ -205,22 +205,18 @@
 
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
                             mbedtls_rsa_pkcs1_sign( NULL, NULL, NULL,
-                                                    MBEDTLS_RSA_PRIVATE,
                                                     0, sizeof( buf ), buf,
                                                     buf ) );
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
                             mbedtls_rsa_pkcs1_sign( &ctx, NULL, NULL,
-                                                    MBEDTLS_RSA_PRIVATE,
                                                     0, sizeof( buf ), NULL,
                                                     buf ) );
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
                             mbedtls_rsa_pkcs1_sign( &ctx, NULL, NULL,
-                                                    MBEDTLS_RSA_PRIVATE,
                                                     0, sizeof( buf ), buf,
                                                     NULL ) );
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
                             mbedtls_rsa_pkcs1_sign( &ctx, NULL, NULL,
-                                                    MBEDTLS_RSA_PRIVATE,
                                                     MBEDTLS_MD_SHA1,
                                                     0, NULL,
                                                     buf ) );
@@ -479,8 +475,8 @@
         TEST_ASSERT( mbedtls_md( mbedtls_md_info_from_type( digest ), message_str->x, message_str->len, hash_result ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_pkcs1_sign( &ctx, &mbedtls_test_rnd_pseudo_rand,
-                                         &rnd_info, MBEDTLS_RSA_PRIVATE, digest,
-                                         0, hash_result, output ) == result );
+                                         &rnd_info, digest, 0, hash_result,
+                                         output ) == result );
     if( result == 0 )
     {
 
@@ -560,8 +556,8 @@
 
 
     TEST_ASSERT( mbedtls_rsa_pkcs1_sign( &ctx, &mbedtls_test_rnd_pseudo_rand,
-                                         &rnd_info, MBEDTLS_RSA_PRIVATE,
-                                         MBEDTLS_MD_NONE, hash_result->len,
+                                         &rnd_info, MBEDTLS_MD_NONE,
+                                         hash_result->len,
                                          hash_result->x, output ) == 0 );