sh_mobile_meram: Rename operations to cache_[alloc|free|update]

The MERAM operations meram_register, meram_unregister and meram_update
handle LCDC cache. In preparation for "raw" MERAM allocation, rename
them to more appropriate names.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
4 files changed