HID: add Benjamin Tissoires as designated reviewer / co-maintainer

Benjamin has been helping a lot over time with reviewing patches flowing
into HID subsystem. Let's make it official.
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

MAINTAINERS

@@ -4981,6 +4981,7 @@ F:	arch/*/include/asm/suspend*.h
 
 HID CORE LAYER
 M:	Jiri Kosina <jikos@kernel.org>
+R:	Benjamin Tissoires <benjamin.tissoires@redhat.com>
 L:	linux-input@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git
 S:	Maintained
@@ -11081,6 +11082,7 @@ F:	include/linux/usb/gadget*
 
 USB HID/HIDBP DRIVERS (USB KEYBOARDS, MICE, REMOTE CONTROLS, ...)
 M:	Jiri Kosina <jikos@kernel.org>
+R:	Benjamin Tissoires <benjamin.tissoires@redhat.com>
 L:	linux-usb@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git
 S:	Maintained