MAINTAINERS: email update and add missing entry

 - MAINTAINERS email update
 - add atmel_lcdfb entry

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>