MAINTAINERS: ARM/Amlogic: add co-maintainer, misc. updates

Add myself as co-maintainer, update mailing list entry and add a couple
more directories.

Signed-off-by: Kevin Hilman <[email protected]>
Acked-by: Carlo Caione <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
1 file changed