Based on schematic and gpio table of halvor, generate gpio setting and
overridetree.cb for halvor.
BUG=b:153680359
TEST=FW_NAME=halvor emerge-volteer coreboot chromeos-bootimage
Verify that the image-halvor.bin is generated successfully.
Signed-off-by: Frank Wu <frank_wu@compal.corp-partner.google.com>
Change-Id: Ic6bd018551be58945742d1a6e7f7c5560f218e40
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41426
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
b763a4febc