Update tulip maintainer email address

I've quit Intel and gone into business as a Linux consultant.  Update
my email address in MAINTAINERS.
Signed-off-by: Valerie Henson <val@nmt.edu>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

MAINTAINERS

@@ -3545,7 +3545,7 @@ S:	Maintained
 
 TULIP NETWORK DRIVER
 P:	Valerie Henson
-M:	val_henson@linux.intel.com
+M:	val@nmt.edu
 L:	tulip-users@lists.sourceforge.net
 W:	http://sourceforge.net/projects/tulip/
 S:	Maintained