MAINTAINERS: add maintainers for hns driver

This patch adds maintainers for hisilicon network subsystem driver
Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

MAINTAINERS

@@ -5437,6 +5437,15 @@ F:	include/uapi/linux/if_hippi.h
 F:	net/802/hippi.c
 F:	drivers/net/hippi/
 
+HISILICON NETWORK SUBSYSTEM DRIVER
+M:	Yisen Zhuang <yisen.zhuang@huawei.com>
+M:	Salil Mehta <salil.mehta@huawei.com>
+L:	netdev@vger.kernel.org
+W:	http://www.hisilicon.com
+S:	Maintained
+F:	drivers/net/ethernet/hisilicon/
+F:	Documentation/devicetree/bindings/net/hisilicon*.txt
+
 HISILICON SAS Controller
 M:	John Garry <john.garry@huawei.com>
 W:	http://www.hisilicon.com