mainboard/asrock: add ASRock B75 Pro3-M

Tested:

- i5-3550 and DIMM configurations: 2+0+2+2, 0+2+2+2, 2+2+2+2, 4+2+4+2
- debug output from serial port, EHCI debug port not found
- Arch Linux (Linux 4.11.5) loaded from SeaBIOS, GRUB2, and Linux payload
- all PCI and PCI Express slots

Issues:

- sometimes the machine fails to boot, with serial debug output it can
  be seen it stucks after SMM initialization, and more likely to fail
  to boot when serial cable is attached
- no S3 resume (not tested in vendor firmware)

Change-Id: I94fbfcee06921538b32aa3c23efa642e7e405ef6
Signed-off-by: Iru Cai <mytbk920423@gmail.com>
Reviewed-on: https://review.coreboot.org/20227
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

0 files changed, 0 insertions, 0 deletions