mb/emulation/qemu-i440fx: use e820 in romstage

Use memory map from fw_cfg e820 map to find cbmem_top in romstage to
avoid conflicts with CMOS option table. Keep qemu_gwt_memory_size() as
fallback.

Change-Id: I6465085020125fc790257f09eb157030c6ceabcb
Signed-off-by: Thomas Heijligen <thomas.heijligen@secunet.com>
Reviewed-on: https://review.coreboot.org/c/30850
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>

0 files changed, 0 insertions, 0 deletions