HID: add git tree information to MAINTAINERS

Update MAITAINERS entry for HID and USB HID, adding
location of HID git tree.
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

MAINTAINERS

@@ -1492,6 +1492,7 @@ HID CORE LAYER
 P:	Jiri Kosina
 M:	jkosina@suse.cz
 L:	linux-input@atrey.karlin.mff.cuni.cz
+T:	git kernel.org:/pub/scm/linux/kernel/git/jikos/hid.git
 S:	Maintained
 
 HIGH-RESOLUTION TIMERS, CLOCKEVENTS, DYNTICKS
@@ -3423,6 +3424,7 @@ USB HID/HIDBP DRIVERS
 P:	Jiri Kosina
 M:	jkosina@suse.cz
 L:	linux-usb-devel@lists.sourceforge.net
+T:	git kernel.org:/pub/scm/linux/kernel/git/jikos/hid.git
 S:	Maintained
 
 USB HUB DRIVER