usb: dwc2: add T: line to MAINTAINERS showing Felipe's tree

Starting with v3.18-rc, patches for dwc2 will go through Felipe's
tree. Add a T: line to MAINTAINERS to document this.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 3ca017a..294eef9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2849,6 +2849,7 @@
 DESIGNWARE USB2 DRD IP DRIVER
 M:	Paul Zimmerman <paulz@synopsys.com>
 L:	linux-usb@vger.kernel.org
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
 S:	Maintained
 F:	drivers/usb/dwc2/