feat(qemu): add "neoverse-n2" cpu support

Add support to qemu "neoverse-n2" cpu for "qemu" platform.
This one has 2^48 address space so will be used by both systems.

Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Change-Id: I9f0fa23a4934d9464379495225e08adc121325b4
diff --git a/plat/qemu/common/common.mk b/plat/qemu/common/common.mk
index 618e6c9..b23f7fd 100644
--- a/plat/qemu/common/common.mk
+++ b/plat/qemu/common/common.mk
@@ -25,6 +25,7 @@
 				lib/cpus/aarch64/neoverse_n_common.S	\
 				lib/cpus/aarch64/neoverse_n1.S		\
 				lib/cpus/aarch64/neoverse_v1.S		\
+				lib/cpus/aarch64/neoverse_n2.S		\
 				lib/cpus/aarch64/qemu_max.S
 
 PLAT_INCLUDES		+=	-Iinclude/plat/arm/common/${ARCH}
@@ -33,7 +34,7 @@
 # v8.0: a53, a57, a72
 # v8.2: a76, n1
 # v8.4: v1
-# v9.0: a710
+# v9.0: a710, n2
 #
 # let treat v9.0 as v8.5 as they share cpu features
 # https://developer.arm.com/documentation/102378/0201/Armv8-x-and-Armv9-x-extensions-and-features