Fix missing test dependancies

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/tests/suites/test_suite_pkcs12.function b/tests/suites/test_suite_pkcs12.function
index 8771c2b..27393d0 100644
--- a/tests/suites/test_suite_pkcs12.function
+++ b/tests/suites/test_suite_pkcs12.function
@@ -12,7 +12,7 @@
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES
- * depends_on:MBEDTLS_ASN1_PARSE_C
+ * depends_on:MBEDTLS_ASN1_PARSE_C:MBEDTLS_PKCS12_C
  * END_DEPENDENCIES
  */