Enable DPTF oem_variables and override based on CPU match id.
BUG=b:236294162
TEST=emerge-brask coreboot and check the value in odvp0 is correct.
Signed-off-by: Raihow Shi <raihow_shi@wistron.corp-partner.google.com>
Change-Id: Ic935ec42f4de0cbec996da37b44f354978fe4b62
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66907
Reviewed-by: Zhuohao Lee <zhuohao@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>