misc: hpilo: MAINTAINERS: add entry for hpilo

The original maintainer left the company, add myself as the successor.

Signed-off-by: Matt Hsiao <matt.hsiao@hpe.com>
Link: https://lore.kernel.org/r/20210329025352.21485-1-matt.hsiao@hpe.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>