Add CPULib for Klein Core

Change-Id: I686fd623b8264c85434853a2a26ecd71e9eeac01
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 6037435..65dc545 100644
--- a/plat/arm/board/fvp/platform.mk
+++ b/plat/arm/board/fvp/platform.mk
@@ -122,6 +122,7 @@
 					lib/cpus/aarch64/neoverse_zeus.S	\
 					lib/cpus/aarch64/cortex_hercules.S	\
 					lib/cpus/aarch64/cortex_hercules_ae.S	\
+					lib/cpus/aarch64/cortex_klein.S	        \
 					lib/cpus/aarch64/cortex_a65.S		\
 					lib/cpus/aarch64/cortex_a65ae.S
 	endif