ARM: socfpga: abolish CONFIG_SOCFPGA

Replace CONFIG_SOCFPGA with CONFIG_ARCH_SOCFPGA.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile
index 64a283f..e66c61e 100644
--- a/arch/arm/cpu/armv7/Makefile
+++ b/arch/arm/cpu/armv7/Makefile
@@ -12,7 +12,7 @@
 obj-y	+= cpu.o cp15.o
 obj-y	+= syslib.o
 
-ifneq ($(CONFIG_AM43XX)$(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA)$(CONFIG_MX6)$(CONFIG_TI81XX)$(CONFIG_AT91FAMILY)$(CONFIG_SUNXI)$(CONFIG_SOCFPGA),)
+ifneq ($(CONFIG_AM43XX)$(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA)$(CONFIG_MX6)$(CONFIG_TI81XX)$(CONFIG_AT91FAMILY)$(CONFIG_SUNXI)$(CONFIG_ARCH_SOCFPGA),)
 ifneq ($(CONFIG_SKIP_LOWLEVEL_INIT),y)
 obj-y	+= lowlevel_init.o
 endif
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 15d60b9..6a01759 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -49,7 +49,7 @@
 	zynq-zc770-xm013.dtb
 dtb-$(CONFIG_AM33XX) += am335x-boneblack.dtb
 
-dtb-$(CONFIG_SOCFPGA) +=				\
+dtb-$(CONFIG_ARCH_SOCFPGA) +=				\
 	socfpga_arria5_socdk.dtb			\
 	socfpga_cyclone5_socdk.dtb			\
 	socfpga_cyclone5_socrates.dtb