Add TF-A test configurations

Signed-off-by: Zelalem <zelalem.aweke@arm.com>
Change-Id: Ie2fd42a804d84d751fb8ff16698fc2b9e361aa10
diff --git a/tftf_config/fvp-cpu-extensions b/tftf_config/fvp-cpu-extensions
new file mode 100644
index 0000000..3d880c9
--- /dev/null
+++ b/tftf_config/fvp-cpu-extensions
@@ -0,0 +1,3 @@
+CROSS_COMPILE=aarch64-none-elf-
+PLAT=fvp
+TESTS=cpu-extensions