rockchip: rk3368: Add PX5 Evaluation board

PX5 EVB is designed by Rockchip for automotive field
with integrated CVBS (TP2825) / MIPI DSI / CSI / LVDS
HDMI video input/output interface, audio codec ES8396,
WIFI / BT (on RTL8723BS), Gsensor BMA250E and light&proximity
sensor STK3410.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/board/rockchip/evb_px5/Makefile b/board/rockchip/evb_px5/Makefile
new file mode 100644
index 0000000..f5aa5a9
--- /dev/null
+++ b/board/rockchip/evb_px5/Makefile
@@ -0,0 +1,7 @@
+#
+# Copyright (c) 2017 Rockchip Electronics Co., Ltd
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	+= evb-px5.o