Core: set MPS2 as reference platform for Core test

Core tests have hardware dependencies to test the
full range of features provided by TF-M. Set AN521
and AN519 as reference platforms such that regression
tests only include core tests on these platforms.

Change-Id: Iad2da1bca5f31fbeccc84c7e81687cc333448f4c
Signed-off-by: Miklos Balint <miklos.balint@arm.com>
diff --git a/CommonConfig.cmake b/CommonConfig.cmake
index 314377b..2ffe115 100644
--- a/CommonConfig.cmake
+++ b/CommonConfig.cmake
@@ -50,6 +50,11 @@
 set (CORE_TEST_POSITIVE OFF)
 set (CORE_TEST_INTERACTIVE OFF)
 set (TFM_PARTITION_TEST_SST OFF)
+set (REFERENCE_PLATFORM OFF)
+
+if(${TARGET_PLATFORM} STREQUAL "AN521" OR ${TARGET_PLATFORM} STREQUAL "AN519")
+	set (REFERENCE_PLATFORM ON)
+endif()
 
 if (REGRESSION)
 	set(SERVICES_TEST_ENABLED ON)
@@ -60,8 +65,9 @@
 if (SERVICES_TEST_ENABLED)
 	set(SERVICE_TEST_S ON)
 	set(SERVICE_TEST_NS ON)
-	set(CORE_TEST_POSITIVE ON)
-	set(CORE_TEST_INTERACTIVE OFF)
+	if (REFERENCE_PLATFORM)
+		set(CORE_TEST_POSITIVE ON)
+	endif()
 endif()
 
 if (CORE_TEST)