tests: Reformating due to hexcmp() renaming

Command to find the files in which lines have gone
larger than 79 characters due to the renaming:

grep '.\{80\}' \
`git diff-tree --no-commit-id --name-only -r HEAD` \
| grep hexcmp

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/suites/test_suite_pkcs1_v21.function b/tests/suites/test_suite_pkcs1_v21.function
index a8de286..4c0016d 100644
--- a/tests/suites/test_suite_pkcs1_v21.function
+++ b/tests/suites/test_suite_pkcs1_v21.function
@@ -36,7 +36,8 @@
     TEST_ASSERT( mbedtls_rsa_pkcs1_encrypt( &ctx, &rnd_buffer_rand, &info, MBEDTLS_RSA_PUBLIC, message_str->len, message_str->x, output ) == result );
     if( result == 0 )
     {
-        TEST_ASSERT( mbedtls_test_hexcmp( output, result_hex_str->x, ctx.len, result_hex_str->len ) == 0 );
+        TEST_ASSERT( mbedtls_test_hexcmp( output, result_hex_str->x,
+                                          ctx.len, result_hex_str->len ) == 0 );
     }
 
 exit:
@@ -84,7 +85,9 @@
                                             sizeof( output ) ) == result );
     if( result == 0 )
     {
-        TEST_ASSERT( mbedtls_test_hexcmp( output, result_hex_str->x, output_len, result_hex_str->len ) == 0 );
+        TEST_ASSERT( mbedtls_test_hexcmp( output, result_hex_str->x,
+                                          output_len,
+                                          result_hex_str->len ) == 0 );
     }
 
 exit:
@@ -136,7 +139,8 @@
     if( result == 0 )
     {
 
-        TEST_ASSERT( mbedtls_test_hexcmp( output, result_hex_str->x, ctx.len, result_hex_str->len ) == 0 );
+        TEST_ASSERT( mbedtls_test_hexcmp( output, result_hex_str->x,
+                                          ctx.len, result_hex_str->len ) == 0 );
     }
 
 exit: