dsa: add maintainer of Microchip KSZ switches

Adding maintainer of Microchip KSZ switches.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Woojung Huh <Woojung.Huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

MAINTAINERS

@@ -8479,6 +8479,16 @@ F:	drivers/media/platform/atmel/atmel-isc.c
 F:	drivers/media/platform/atmel/atmel-isc-regs.h
 F:	devicetree/bindings/media/atmel-isc.txt
 
+MICROCHIP KSZ SERIES ETHERNET SWITCH DRIVER
+M:	Woojung Huh <Woojung.Huh@microchip.com>
+M:	Microchip Linux Driver Support <UNGLinuxDriver@microchip.com>
+L:	netdev@vger.kernel.org
+S:	Maintained
+F:	net/dsa/tag_ksz.c
+F:	drivers/net/dsa/microchip/*
+F:	include/linux/platform_data/microchip-ksz.h
+F:	Documentation/devicetree/bindings/net/dsa/ksz.txt
+
 MICROCHIP USB251XB DRIVER
 M:	Richard Leitner <richard.leitner@skidata.com>
 L:	linux-usb@vger.kernel.org