mb/google/octopus: Edge trigger cr50 interrupt

Interrupts from cr50 are edge-triggered, not level-triggered. This
change updates the GPIO configuration accordingly.

BUG=b:75306520
BRANCH=None
TEST=None

Change-Id: I0c5fb4495b404412a78965c2de7f00248d0c684b
Signed-off-by: Justin TerAvest <teravest@chromium.org>
Reviewed-on: https://review.coreboot.org/25538
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
1 file changed