USB: musb: Add musb git tree to maintainers entry

Trivial patch adding musb's git tree to MAINTAINERS file.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/MAINTAINERS b/MAINTAINERS
index 094dd52..f62fd6a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2982,6 +2982,7 @@
 P:	Felipe Balbi
 M:	felipe.balbi@nokia.com
 L:	linux-usb@vger.kernel.org
+T:	git gitorious.org:/musb/mainline.git
 S:	Maintained
 
 MYRICOM MYRI-10G 10GbE DRIVER (MYRI10GE)