ARM: uniphier: add PH1-LD20 SoC support

This is the first ARMv8 SoC from Socionext Inc.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/init/Makefile b/arch/arm/mach-uniphier/init/Makefile
index 34b15e3..b58e6c8 100644
--- a/arch/arm/mach-uniphier/init/Makefile
+++ b/arch/arm/mach-uniphier/init/Makefile
@@ -11,3 +11,4 @@
 obj-$(CONFIG_ARCH_UNIPHIER_PRO5)	+= init-pro5.o
 obj-$(CONFIG_ARCH_UNIPHIER_PXS2)	+= init-pxs2.o
 obj-$(CONFIG_ARCH_UNIPHIER_LD6B)	+= init-pxs2.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD20)	+= init-ld20.o