ARM: UniPhier: add PH1-sLD3 SoC support

The init code for UMC (Unified Memory Controller) and PLL has not
been mainlined yet, but U-boot proper should work.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/ph1-sld3/platdevice.c b/arch/arm/mach-uniphier/ph1-sld3/platdevice.c
new file mode 100644
index 0000000..6521067
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/platdevice.c
@@ -0,0 +1 @@
+#include "../ph1-ld4/platdevice.c"