Drop non-dynamic CBMEM support from ARM mainboards

All ARM systems we support have dynamic CBMEM support.
Hence drop non-dynamic CBMEM support from the mainboard
specific code.

BUG=none
BRANCH=none
TEST=boot tested on pit

Change-Id: Icdff8dd8306ca40f86f08dee2a65f03a526b99db
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: https://chromium-review.googlesource.com/168573
Reviewed-by: Gabe Black <gabeblack@chromium.org>
3 files changed