Fix CI errors related pkcs5_pbe changes

Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
diff --git a/tests/suites/test_suite_pkcs5.function b/tests/suites/test_suite_pkcs5.function
index 1f1d052..424ecd8 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 "mbedtls/cipher.h"
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES