Patch merged into coreboot/master: mainboard/google/reef: Set edge triggered interrupt for GPIO_22

the following patch was just integrated into master:
commit 6e5609124eb98b2f3e33fcec994b7d1b00a355ef
Author: Vaibhav Shankar 
Date:   Mon Jan 30 12:18:42 2017 -0800

mainboard/google/reef: Set edge triggered interrupt for GPIO_22

EC sets the logic level based on outstanding wake events. When GPIO_22
    is configured as a level triggered interrupt, the events are not
    cleared from the interrupt handler. Hence, we'd just be re-signalling
    over and over causing an interrupt storm upon lid open. So, GPIO_22
    needs to be configured as EDGE_SINGLE instead of LEVEL.

BUG=chrome-os-partner:62458
    TEST=Lid close/open. check CPU usage using top. It should
    not show 70% CPU usage.

Signed-off-by: Vaibhav Shankar

Change-Id: I710a690578c6e5b63be34b7fbcb21c703ef56e3a
    Reviewed-on: https://review.coreboot.org/18267
    Tested-by: build bot (Jenkins)
    Reviewed-by: Venkateswarlu V Vinjamuri 
    Reviewed-by: Aaron Durbin 
    Reviewed-by: Paul Menzel

See https://review.coreboot.org/18267 for details.

-gerrit