Add entry to MAINTAINERS for Milbeaut that supported minimal drivers.
Signed-off-by: NSugaya Taichi <sugaya.taichi@socionext.com>
Link: https://lore.kernel.org/r/1636968656-14033-5-git-send-email-sugaya.taichi@socionext.com'
Signed-off-by: NArnd Bergmann <arnd@arndb.de>