Originally, dram size is hard-coded to 4GB by default. To support
different dram size, calculate it from the mem chip info stored
in CBMEM.
BUG=b:206014043
TEST=Output "dram size: 0x100000000" on Kingler
Signed-off-by: Xi Chen <xixi.chen@mediatek.corp-partner.google.com>
Change-Id: I017e9d1a2d6e26f1fc21b67b5962dfb5c6ade8a5
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62065
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>