To timely update stylus charging status (b:206012072), PCHG device
events have been moved to MKBP. This patch registers the MKPB host
event as a wake-up signal to match the change.
EC filters other EC_MKBP_EVENT_* events (chromium:3413180).
BUG=b:205675485,b:206012072
Cq-Depend: chromium:3413180
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Change-Id: Ie4536b2c0ccc37f92dfa940c5a5712340a32c82c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61383
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>