Adjust pkcs5 test dependencies

Hashing via PSA is now supported 
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
diff --git a/tests/suites/test_suite_pkcs5.function b/tests/suites/test_suite_pkcs5.function
index 0116e8f..d00d94f 100644
--- a/tests/suites/test_suite_pkcs5.function
+++ b/tests/suites/test_suite_pkcs5.function
@@ -1,5 +1,6 @@
 /* BEGIN_HEADER */
 #include "mbedtls/pkcs5.h"
+#include "legacy_or_psa.h"
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES