fix(tc): add tests for 'enable stack protector' patch

Change-Id: I7518c83e28c21acb7f282a39511d3454837b1952
Signed-off-by: Icen.Zeyada <Icen.Zeyada2@arm.com>
diff --git a/tf_config/fvp-tc4-spm b/tf_config/fvp-tc4-spm
index 82302c7..5a2da09 100644
--- a/tf_config/fvp-tc4-spm
+++ b/tf_config/fvp-tc4-spm
@@ -6,3 +6,4 @@
 SP_LAYOUT_FILE=${tftf_root}/build/tc/${bin_mode}/sp_layout.json
 TARGET_PLATFORM=4
 CSS_LOAD_SCP_IMAGES=0
+ENABLE_STACK_PROTECTOR=strong