maintainers: update with official intel support link, new maintainer

Add an official link which is designed to guide the user to the appropriate
support resource (be it community, OEM, Intel phone, Intel email, etc)

Add the current e1000 maintainer to the list of Intel maintainers.

Signed-off-by: Jesse Brandeburg <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>

Author: jbrandeb

MAINTAINERS

@@ -3869,7 +3869,9 @@ M:	Greg Rose <[email protected]>
 M:	Peter P Waskiewicz Jr <[email protected]>
 M:	Alex Duyck <[email protected]>
 M:	John Ronciak <[email protected]>
+M:	Tushar Dave <[email protected]>
 L:	[email protected]
+W:	http://www.intel.com/support/feedback.htm
 W:	http://e1000.sourceforge.net/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net.git
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next.git