feat(qemu): support TRP for RME

When an external RMM is not provided during make invocation, include the
Test Realm Payload (TRP) to the FIP.

Change-Id: I15d396cf268a08d79da63075aadb4172238eb225
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
diff --git a/plat/qemu/common/trp/trp-qemu-common.mk b/plat/qemu/common/trp/trp-qemu-common.mk
new file mode 100644
index 0000000..081ba55
--- /dev/null
+++ b/plat/qemu/common/trp/trp-qemu-common.mk
@@ -0,0 +1,12 @@
+#
+# Copyright (c) 2024, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# TRP source files common to QEMU platforms
+RMM_SOURCES		+=	plat/qemu/common/trp/qemu_trp_setup.c	\
+				plat/common/aarch64/platform_mp_stack.S	\
+				plat/qemu/common/aarch64/plat_helpers.S
+
+INCLUDES		+=	-Iinclude/services/trp