plat/qemu_sbsa: Include libraries for Cortex-A72

Include libraries needed to emulate Cortex-A72 on
sbsa-ref target of QEMU.

Signed-off-by: Tanmay Jagdale <tanmay.jagdale@linaro.org>
Change-Id: I98cf17b1662c70898977a841af07e07b5cfca8ba
diff --git a/plat/qemu/qemu_sbsa/platform.mk b/plat/qemu/qemu_sbsa/platform.mk
index 9be56a3..acaa43f 100644
--- a/plat/qemu/qemu_sbsa/platform.mk
+++ b/plat/qemu/qemu_sbsa/platform.mk
@@ -47,7 +47,8 @@
 				${PLAT_QEMU_COMMON_PATH}/${ARCH}/plat_helpers.S	\
 				${PLAT_QEMU_COMMON_PATH}/qemu_bl1_setup.c
 
-BL1_SOURCES		+=	lib/cpus/aarch64/cortex_a57.S
+BL1_SOURCES		+=	lib/cpus/aarch64/cortex_a57.S			\
+				lib/cpus/aarch64/cortex_a72.S
 
 BL2_SOURCES		+=	drivers/io/io_semihosting.c			\
 				drivers/io/io_storage.c				\
@@ -74,6 +75,7 @@
 				${PLAT_QEMU_COMMON_PATH}/qemu_gicv3.c
 
 BL31_SOURCES		+=	lib/cpus/aarch64/cortex_a57.S			\
+				lib/cpus/aarch64/cortex_a72.S			\
 				lib/semihosting/semihosting.c			\
 				lib/semihosting/${ARCH}/semihosting_call.S	\
 				plat/common/plat_psci_common.c			\