Esche: Turn off tablet mode
Esche: Turn off tablet mode

Burnt and Esche has been merged to the same firmware, Burnet have GMR
sensor for tablet mode, but Esche not. This patch turns off tablet mode
and GMR interrupt on Esche.

BUG=none
BRANCH=firmware-kukui-12573.B
TEST=Make sure keyboard works on Esche.

Signed-off-by: Devin Lu <052fe648504800b810f29702ef4f3db83fad68bf@quantatw.com>
Change-Id: Ifa909a3b18560d134077a7f1d605f33c410ced08
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2455827
Reviewed-by: Ting Shen <c671d3efec3d7e7e285f3788bf0d1ba4c8605b78@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec