Always allocate RAMOOPS from CBMEM and drop the related static variable CHROMEOS_RAMOOPS_RAM_START. Change-Id: Icfcf2991cb78cc6e9becba14cac77a04d8ada56a Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/50608 Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>