These are used by upcoming devices and without it crossystem is unable to read GPIO values on the chipset. BUG=chrome-os-partner:11540,chrome-os-partner:11323 TEST=manual test on Parrot device 1) Verify that a GPIO can be exported and read: > echo $(( 160 + 70 )) > /sys/class/gpio/export > cat /sys/class/gpio/gpio$(( 160 + 70 ))/value 0 2) Verify that crossystem does not report any errors: > crossystem | grep -c error 0 Change-Id: Iebdc2396bf401c6df6b7802cbd05832b53f0e0c3 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/28183 Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>