ARM: shmobile: armadillo800eva: A4LC domain includes LCDC

It is possible to control LCDC under A4LC domain to reduce power.
This patch enable it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>