Test: Add rollback protection tests for SST

This patch adds a test suite to test the rollback protection feature
in the SST service.

Change-Id: I3f4bb980cad37c11bb279916fa3d689c0672a68a
Signed-off-by: Marc Moreno <marc.morenoberengue@arm.com>
diff --git a/test/framework/secure_suites.c b/test/framework/secure_suites.c
index 3ed95dd..89369cb 100644
--- a/test/framework/secure_suites.c
+++ b/test/framework/secure_suites.c
@@ -29,6 +29,10 @@
     {&register_testsuite_s_sst_sec_interface, 0, 0, 0},
     {&register_testsuite_s_sst_reliability, 0, 0, 0},
 
+#if defined(SST_ROLLBACK_PROTECTION) && defined(SST_ENCRYPTION)
+    {&register_testsuite_s_rollback_protection, 0, 0, 0},
+#endif
+
     /* Secure Audit Logging test cases */
     {&register_testsuite_s_audit_interface, 0, 0, 0},