vboot: auron: enable CHROMEOS_VBNV_CMOS kconfig variable

The change at https://chromium-review.googlesource.com/#/c/213877/
missed Auron as it was still being implemented, so we need to add
this now.

BUG=None
TEST=`emerge-auron chromeos-coreboot`

Change-Id: Ifc0106b3f08f52c67da723f7fd08b4cb7f369691
Signed-off-by: Bernie Thompson <bhthompson@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/214275
Reviewed-by: David Hendricks <dhendrix@chromium.org>
1 file changed