ARM: OMAP2+: AM43xx: implement support for machine restart

Add restart hook so that AM4372 builds can restart the platform.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index e6eec6f..8421f38 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -60,6 +60,7 @@
 obj-$(CONFIG_SOC_OMAP2420)		+= omap2-restart.o
 obj-$(CONFIG_SOC_OMAP2430)		+= omap2-restart.o
 obj-$(CONFIG_SOC_AM33XX)		+= am33xx-restart.o
+obj-$(CONFIG_SOC_AM43XX)		+= omap4-restart.o
 obj-$(CONFIG_ARCH_OMAP3)		+= omap3-restart.o
 obj-$(CONFIG_ARCH_OMAP4)		+= omap4-restart.o
 obj-$(CONFIG_SOC_OMAP5)			+= omap4-restart.o