plat/qemu: add "max" cpu support

Add support to qemu "max" cpu for both "qemu" ('virt') and
"qemu_sbsa" ('sbsa-ref') platforms.

Change-Id: I36e45c0a3c4e30ba546d2a3cb44dfef11a680305
Signed-off-by: Leif Lindholm <leif@nuviainc.com>

plat/qemu/qemu/platform.mk

@@ -109,6 +109,7 @@ BL1_SOURCES		+=	lib/cpus/aarch64/aem_generic.S		\
 				lib/cpus/aarch64/cortex_a53.S		\
 				lib/cpus/aarch64/cortex_a57.S		\
 				lib/cpus/aarch64/cortex_a72.S		\
+				lib/cpus/aarch64/qemu_max.S		\
 
 else
 BL1_SOURCES		+=	lib/cpus/${ARCH}/cortex_a15.S
@@ -163,6 +164,7 @@ BL31_SOURCES		+=	lib/cpus/aarch64/aem_generic.S		\
 				lib/cpus/aarch64/cortex_a53.S		\
 				lib/cpus/aarch64/cortex_a57.S		\
 				lib/cpus/aarch64/cortex_a72.S		\
+				lib/cpus/aarch64/qemu_max.S		\
 				lib/semihosting/semihosting.c		\
 				lib/semihosting/${ARCH}/semihosting_call.S \
 				plat/common/plat_psci_common.c		\

plat/qemu/qemu_sbsa/platform.mk

@@ -48,7 +48,8 @@ BL1_SOURCES		+=	drivers/io/io_semihosting.c			\
 				${PLAT_QEMU_COMMON_PATH}/qemu_bl1_setup.c
 
 BL1_SOURCES		+=	lib/cpus/aarch64/cortex_a57.S			\
-				lib/cpus/aarch64/cortex_a72.S
+				lib/cpus/aarch64/cortex_a72.S			\
+				lib/cpus/aarch64/qemu_max.S			\
 
 BL2_SOURCES		+=	drivers/io/io_semihosting.c			\
 				drivers/io/io_storage.c				\
@@ -76,6 +77,7 @@ QEMU_GIC_SOURCES	:=	${GICV3_SOURCES}				\
 
 BL31_SOURCES		+=	lib/cpus/aarch64/cortex_a57.S			\
 				lib/cpus/aarch64/cortex_a72.S			\
+				lib/cpus/aarch64/qemu_max.S			\
 				lib/semihosting/semihosting.c			\
 				lib/semihosting/${ARCH}/semihosting_call.S	\
 				plat/common/plat_psci_common.c			\