MAINTAINERS: add myself as CanoKey maintainer

Signed-off-by: Hongren (Zenithal) Zheng <i@zenithal.me>
Message-Id: <YoY61xI0IcFT1fOP@Sun>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

MAINTAINERS

@@ -2427,6 +2427,14 @@ F: hw/intc/s390_flic*.c
 F: include/hw/s390x/s390_flic.h
 L: qemu-s390x@nongnu.org
 
+CanoKey
+M: Hongren (Zenithal) Zheng <i@zenithal.me>
+S: Maintained
+R: Canokeys.org <contact@canokeys.org>
+F: hw/usb/canokey.c
+F: hw/usb/canokey.h
+F: docs/system/devices/canokey.rst
+
 Subsystems
 ----------
 Overall Audio backends