CHROMIUM: WAR: Enable PON driver

BUG=b:137590839
TEST=manually tested using flashrom -w to upgrade 05_17 coreboot (with
     QcLib 00012) to 06_21 (00016) and 07_19 (00022). Multiple times
     test didn't see stuck. Suggest to merge and test with signed image
     in auto update.

Change-Id: I9784a0b6d9a4c4c13580c3bbb9c663f1cf043236
Signed-off-by: Mayank Chopra <mak.chopra@codeaurora.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/1711066


Reviewed-by: Zhihong Yu <zhihongyu@chromium.org>
Commit-Queue: Zhihong Yu <zhihongyu@chromium.org>
Tested-by: Zhihong Yu <zhihongyu@chromium.org>