MAINTAINERS: Add maintainer for hisilicon DRM driver

Add maintainer and reviewer for hisilicon DRM driver.

v8:
- Append "/" to directory patterns.
v7: None.
v6: None.
v5: None.
v4:
- Add Chen Feng <puck.chen@hisilicon.com> as Designated reviewer.
v3: First version.

Signed-off-by: Xinliang Liu <xinliang.liu@linaro.org>

MAINTAINERS

@@ -3854,6 +3854,16 @@ S:	Maintained
 F:	drivers/gpu/drm/gma500
 F:	include/drm/gma500*
 
+DRM DRIVERS FOR HISILICON
+M:	Xinliang Liu <z.liuxinliang@hisilicon.com>
+R:	Xinwei Kong <kong.kongxinwei@hisilicon.com>
+R:	Chen Feng <puck.chen@hisilicon.com>
+L:	dri-devel@lists.freedesktop.org
+T:	git git://github.com/xin3liang/linux.git
+S:	Maintained
+F:	drivers/gpu/drm/hisilicon/
+F:	Documentation/devicetree/bindings/display/hisilicon/
+
 DRM DRIVERS FOR NVIDIA TEGRA
 M:	Thierry Reding <thierry.reding@gmail.com>
 M:	Terje Bergström <tbergstrom@nvidia.com>