sh: Update mailing list info.

DaveM has provided a vger list, update MAINTAINERS to reflect this.

Also, rip out the sh64 entry (as this can just be rolled in to the
general sh case), and add the git path.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index cad0882..07dc8e6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3636,18 +3636,12 @@
 W:	http://www.stradis.com/
 S:	Maintained
 
-SUPERH (sh)
+SUPERH
 P:	Paul Mundt
 M:	lethal@linux-sh.org
-L:	linuxsh-dev@lists.sourceforge.net (subscribers-only)
+L:	linux-sh@vger.kernel.org
 W:	http://www.linux-sh.org
-S:	Maintained
-
-SUPERH64 (sh64)
-P:	Paul Mundt
-M:	lethal@linux-sh.org
-L:	linuxsh-shmedia-dev@lists.sourceforge.net
-W:	http://www.linux-sh.org
+T:	git kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6.git
 S:	Maintained
 
 SUN3/3X