MAINTAINERS: Add myself as the maintainer of the Quorum driver

Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: 1426522925-14444-1-git-send-email-berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

MAINTAINERS

@@ -1186,3 +1186,9 @@ Bootdevice
 M: Gonglei <arei.gonglei@huawei.com>
 S: Maintained
 F: bootdevice.c
+
+Quorum
+M: Alberto Garcia <berto@igalia.com>
+S: Supported
+F: block/quorum.c
+L: qemu-block@nongnu.org