Add test config for enabling SPM tests on TC

This patch adds necessary TF-A, TFTF, SPM and run configs along
with test config for TC platform to run Cactus based tests.

Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
Change-Id: I5c259b080a8fa9c443eb5957032e90c0e0a46048
diff --git a/spm_config/tc-default b/spm_config/tc-default
new file mode 100644
index 0000000..7d8d20b
--- /dev/null
+++ b/spm_config/tc-default
@@ -0,0 +1 @@
+PROJECT=reference