ci(drtm): add test config for DRTM

Added a test config to basically test SMCs triggered by DCE-preamble
and DLME.
These SMCs are triggered by DRTM UEFI application. This is prebuilt
binary present in tf-a download folder, test case fetch this binary
and execute it.

Change-Id: I896f8a3314970c3867d997f12087ad26084028ab
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
diff --git a/expect/tf-a-drtm.exp b/expect/tf-a-drtm.exp
new file mode 100644
index 0000000..19468b6
--- /dev/null
+++ b/expect/tf-a-drtm.exp
@@ -0,0 +1,14 @@
+#
+# Copyright (c) 2022, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+# Expect script for Linux/Buildroot using Measured Boot & fTPM
+#
+
+source [file join [file dirname [info script]] handle-arguments.inc]
+
+# TODO Add proper string message to claim the succesful exit of DRTM
+# flow
+expect_string "DRTM service handler: unprotect mem"
+exit_uart 0