google/reef: Fix model detection.

The SKU number returned from smbios is 'skuN' instead of simple 'N',
so we have to scan the the string for real numbers.

BUG=b:130115628
TEST=emerge-reef mosys; run mosys on basking, see sku=0 => basking.

Change-Id: I8acbb5967e45eb6d085a59350db70bae8bc5a7fe
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/mosys/+/1585181
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Commit-Queue: Hung-Te Lin <hungte@chromium.org>
Tested-by: Hung-Te Lin <hungte@chromium.org>
1 file changed