google/kahlee: Remove VBOOT_VBNV_CMOS

Remove VBOOT_VBNV_CMOS from the mainboard. It is selected in the
stoneyridge Kconfig.

BUG=b:77347873
TEST=Manually clear CMOS and check coreboot restores VBNV from flash.

Change-Id: I30e517e06ab9d8f7d4a93bf82f12726756c44966
Signed-off-by: Marc Jones <marc.jones@scarletltd.com>
Reviewed-on: https://review.coreboot.org/25844
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Martin Roth <martinroth@google.com>
1 file changed