MIPS: ath79: Add initial support for the Atheros AP121 reference board

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: Kathy Giori <kgiori@qca.qualcomm.com>
Cc: "Luis R.  Rodriguez" <rodrigue@qca.qualcomm.com>
Patchwork: https://patchwork.linux-mips.org/patch/2531/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/ath79/Makefile b/arch/mips/ath79/Makefile
index 57188b6..8933d18 100644
--- a/arch/mips/ath79/Makefile
+++ b/arch/mips/ath79/Makefile
@@ -25,5 +25,6 @@
 #
 # Machines
 #
+obj-$(CONFIG_ATH79_MACH_AP121)		+= mach-ap121.o
 obj-$(CONFIG_ATH79_MACH_AP81)		+= mach-ap81.o
 obj-$(CONFIG_ATH79_MACH_PB44)		+= mach-pb44.o