rockchip: rk3128: add soc basic support

RK3128 is a SoC from Rockchip with quad-core Cortex-A7 CPU
and mali400 GPU. Support Nand flash, eMMC, SD card, USB 2.0 host
and device, HDMI/LVDS/MIPI display.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/arch/arm/mach-rockchip/rk3128/Makefile b/arch/arm/mach-rockchip/rk3128/Makefile
new file mode 100644
index 0000000..0f63d92
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3128/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2017 Rockchip Electronics Co., Ltd
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y += rk3128.o
+obj-y += syscon_rk3128.o