Align support for enable wake-on-usb attach/detach as was
introduced in Skylake in
`commit 3bfe3404df`.
BUG=b:159187889
BRANCH=none
TEST=none
Change-Id: Ie63e4f1fcdea130f8faed5c0d34a6a96759946b6
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42716
Reviewed-by: Sam McNally <sammc@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>