cxgb4vf: add maintainer entry for cxgb4vf

Adding myself as the official maintainer of the Chelsio T4 Virtual function
Driver (cxgb4vf).
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

MAINTAINERS

@@ -1767,6 +1767,13 @@ W:	http://www.openfabrics.org
 S:	Supported
 F:	drivers/infiniband/hw/cxgb4/
 
+CXGB4VF ETHERNET DRIVER (CXGB4VF)
+M:	Casey Leedom <leedom@chelsio.com>
+L:	netdev@vger.kernel.org
+W:	http://www.chelsio.com
+S:	Supported
+F:	drivers/net/cxgb4vf/
+
 CYBERPRO FB DRIVER
 M:	Russell King <linux@arm.linux.org.uk>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)