Add Matterhorn CPU lib

Also update copyright statements

Change-Id: Iba0305522ac0f2ddc4da99127fd773f340e67300
Signed-off-by: Jimmy Brisson <jimmy.brisson@arm.com>
diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk
index 65dc545..4176968 100644
--- a/plat/arm/board/fvp/platform.mk
+++ b/plat/arm/board/fvp/platform.mk
@@ -123,6 +123,7 @@
 					lib/cpus/aarch64/cortex_hercules.S	\
 					lib/cpus/aarch64/cortex_hercules_ae.S	\
 					lib/cpus/aarch64/cortex_klein.S	        \
+					lib/cpus/aarch64/cortex_matterhorn.S	\
 					lib/cpus/aarch64/cortex_a65.S		\
 					lib/cpus/aarch64/cortex_a65ae.S
 	endif