feat: introduce RAS KFH tests

Introduce tests to verify Kernel first handling of RAS errors.

Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
Change-Id: I7bc6e5ad946ac7d29c45b1c654254d5b7229b7a0
diff --git a/tftf_config/fvp-ras-kfh b/tftf_config/fvp-ras-kfh
new file mode 100644
index 0000000..5f24813
--- /dev/null
+++ b/tftf_config/fvp-ras-kfh
@@ -0,0 +1,3 @@
+CROSS_COMPILE=aarch64-none-elf-
+PLAT=fvp
+TESTS=ras-kfh