feat(qemu-sbsa): handle platform version

QEMU provides platform version information via DT. We want to use it
in firmware to handle differences between platform versions.

Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Change-Id: I8def66dac9dd5d7ab0e459baa40e27a11b65f0ba
diff --git a/plat/qemu/qemu_sbsa/platform.mk b/plat/qemu/qemu_sbsa/platform.mk
index 8b8d76b..f14feb5 100644
--- a/plat/qemu/qemu_sbsa/platform.mk
+++ b/plat/qemu/qemu_sbsa/platform.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2019-2021, Linaro Limited and Contributors. All rights reserved.
+# Copyright (c) 2019-2023, Linaro Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -97,6 +97,7 @@
 				lib/semihosting/${ARCH}/semihosting_call.S	\
 				plat/common/plat_psci_common.c			\
 				${PLAT_QEMU_PATH}/sbsa_pm.c			\
+				${PLAT_QEMU_PATH}/sbsa_sip_svc.c		\
 				${PLAT_QEMU_PATH}/sbsa_topology.c		\
 				${PLAT_QEMU_COMMON_PATH}/aarch64/plat_helpers.S	\
 				${PLAT_QEMU_COMMON_PATH}/qemu_bl31_setup.c	\