Recover 128MB SDRAM in nvmem= section and align framebuffer for splash screens.

The kernel now selects its own gpu carveout and framebuffer regions, so we no
longer need u-boot to specify nvmem=128M.  Now we give the whole GiB to mem=.

While framebuffer alignment should not be required to fix splash screens, it
is easier for now to realign them here.

BUG=chrome-os-partner:5501
TEST=Verify splash sequence is shown, and verify /proc/meminfo MemTotal=892264.

Signed-off-by: Bryan Freed <bfreed@chromium.org>

Change-Id: I2dbad5e78462e38449889e5a228ca4d5830f133c
Reviewed-on: http://gerrit.chromium.org/gerrit/7005
Reviewed-by: Yen Lin <yelin@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Micah Catlin <micahc@chromium.org>
Tested-by: Bryan Freed <bfreed@chromium.org>
Reviewed-on: http://gerrit.chromium.org/gerrit/7368
6 files changed