Remove trailing whitespace

Signed-off-by: Joe Subbiani <joe.subbiani@arm.com>

tests/suites/test_suite_psa_crypto_metadata.function

@@ -604,7 +604,7 @@ void block_cipher_key_type( int type_arg, int block_size_arg )
                 PSA_KEY_TYPE_CATEGORY_SYMMETRIC );
     TEST_EQUAL( PSA_BLOCK_CIPHER_BLOCK_LENGTH( type ), block_size );
 
-    /* Check that the block size is a power of 2. This is required, at least, 
+    /* Check that the block size is a power of 2. This is required, at least,
     for PSA_ROUND_UP_TO_MULTIPLE(block_size, length) in crypto_sizes.h. */
     TEST_ASSERT( ( ( block_size - 1 ) & block_size ) == 0 );
 }