MAINTAINERS: Add dri-devel for component.[hc]

MAINTAINERS: Add dri-devel for component.[hc]

dri-devel is the main user, and somehow there's been the assumption
that component stuff is unmaintained.

Cc: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
References: https://lore.kernel.org/dri-devel/CAAEAJfDWOzCJxZFNtxeT7Cvr2pWbYrfz-YnA81sVNs-rM=8n4Q@mail.gmail.com/
Link: https://lore.kernel.org/r/20210826091343.1039763-1-daniel.vetter@ffwll.ch
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>