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/memconf/Makefile b/arch/arm/mach-uniphier/memconf/Makefile
index 78bb677..6ed1419 100644
--- a/arch/arm/mach-uniphier/memconf/Makefile
+++ b/arch/arm/mach-uniphier/memconf/Makefile
@@ -6,3 +6,4 @@
 obj-$(CONFIG_ARCH_UNIPHIER_SLD3)	+= memconf-sld3.o
 obj-$(CONFIG_ARCH_UNIPHIER_PXS2)	+= memconf-pxs2.o
 obj-$(CONFIG_ARCH_UNIPHIER_LD6B)	+= memconf-pxs2.o
+obj-$(CONFIG_ARCH_UNIPHIER_LD20)	+= memconf-pxs2.o