MAINTAINERS: update Abel Vesa's email

Use Abel Vesa's kernel.org account in maintainer entry and mailmap.

Link: https://lkml.kernel.org/r/20220611093142.202271-1-abelvesa@kernel.org
Signed-off-by: Abel Vesa <abelvesa@nxp.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Dong Aisheng <aisheng.dong@nxp.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>