mb/google/poppy/variants/nautilus: Use GPP_B20 to determine SKU

We would use GPP_B20 instead of board id to determine nautilus SKU.

BUG=b:80052672
BRANCH=poppy
TEST=Verified the new coreboot could determine SKU correctly

Change-Id: I1978b544eef7a184a3da191306ee32d862fa8c36
Signed-off-by: Seunghwan Kim <sh_.kim@samsung.com>
Reviewed-on: https://review.coreboot.org/27220
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
1 file changed