MAINTAINERS: update cxgb4 maintainer

Hari's been doing the patch submissions for a while now and he'll be
taking over as maintainer.

Signed-off-by: Dimitris Michailidis <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
diff --git a/MAINTAINERS b/MAINTAINERS
index 055f952..134483f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2594,7 +2594,7 @@
 F:	drivers/infiniband/hw/cxgb3/
 
 CXGB4 ETHERNET DRIVER (CXGB4)
-M:	Dimitris Michailidis <[email protected]>
+M:	Hariprasad S <[email protected]>
 L:	[email protected]
 W:	http://www.chelsio.com
 S:	Supported