bcache: MAINTAINERS: set bcache to MAINTAINED

Also add URL for IRC channel.

Signed-off-by: Michael Lyle <mlyle@lyle.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/MAINTAINERS b/MAINTAINERS
index 4654cf5..c0bbcf1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2566,7 +2566,8 @@
 M:	Kent Overstreet <kent.overstreet@gmail.com>
 L:	linux-bcache@vger.kernel.org
 W:	http://bcache.evilpiepirate.org
-S:	Orphan
+C:	irc://irc.oftc.net/bcache
+S:	Maintained
 F:	drivers/md/bcache/
 
 BDISP ST MEDIA DRIVER