board: arm:: Add support for Broadcom BCM23550

Add support for the Broadcom BCM23550 board.

Signed-off-by: Steve Rae <srae@broadcom.com>
diff --git a/arch/arm/cpu/armv7/kona-common/Makefile b/arch/arm/cpu/armv7/kona-common/Makefile
index da225cb..5167ebb 100644
--- a/arch/arm/cpu/armv7/kona-common/Makefile
+++ b/arch/arm/cpu/armv7/kona-common/Makefile
@@ -7,3 +7,4 @@
 obj-y	+= s_init.o
 obj-y	+= hwinit-common.o
 obj-y	+= clk-stubs.o
+obj-${CONFIG_KONA_RESET_S} += reset.o