MAINTAINERS: Update SED-Opal Maintainers

Add my new email address and remove Revanth

Signed-off-by: Jonathan Derrick <jonathan.derrick@linux.dev>
Link: https://lore.kernel.org/r/20221003202511.5124-1-jonathan.derrick@linux.dev


Signed-off-by: Jens Axboe <axboe@kernel.dk>