MAINTAINERS: update HEST maintainership entries

Mark HEST code as maintained and assign them to me.

While here, add a "L" entry to EDAC ML as RAS discussions
usually happen there.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Message-ID: <6316f5b788cdc6b63e808606649dc5862271b22e.1778075257.git.mchehab+huawei@kernel.org>
Acked-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
1 file changed