arm: vf610: Add Vybrid VF610 CPU support

This patch adds generic codes to support Freescale's Vybrid VF610 CPU.

It aligns Vybrid VF610 platform with i.MX platform. As there are
some differences between VF610 and i.MX platforms, the specific
codes are in the arch/arm/cpu/armv7/vf610 directory.

Signed-off-by: Alison Wang <b18965@freescale.com>
Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
diff --git a/Makefile b/Makefile
index c52f0f1..363180c 100644
--- a/Makefile
+++ b/Makefile
@@ -341,7 +341,7 @@
 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
 endif
 
-ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs))
+ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 endif