test(tc): test for AP/RSS interface for ROTPK

Adding new test for AP/RSS interface for reading ROTPK for
each 3 types of ROTPKs for: CCA, secure, and non-secure firmware.

Enabled by PLATFORM_TEST=rss-rotpk.

Update to print output when AP/RSS interface platform tests
pass to be able to reuse expect script functionality in CI.

Change-Id: Icc50b090e18a272378751fda104d209738b5b70c
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
diff --git a/plat/arm/board/tc/tc_bl31_setup.c b/plat/arm/board/tc/tc_bl31_setup.c
index ca3a032..9ffd5c4 100644
--- a/plat/arm/board/tc/tc_bl31_setup.c
+++ b/plat/arm/board/tc/tc_bl31_setup.c
@@ -59,6 +59,8 @@
 
 #ifdef PLATFORM_TEST_NV_COUNTERS
 	tests_failed = nv_counter_test();
+#elif PLATFORM_TEST_ROTPK
+	tests_failed = rotpk_test();
 #elif PLATFORM_TEST_TFM_TESTSUITE
 	tests_failed = run_platform_tests();
 #endif