MAINTAINERS: update Andi's e-mail to @kernel.org

Use the kernel.org e-mail for the maintainer entry

Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20230311170516.178913-1-andi.shyti@kernel.org


Signed-off-by: Mark Brown <broonie@kernel.org>