scarlet: Add min/max frequencies for sensors
scarlet: Add min/max frequencies for sensors

As part of new interface MOTIONSENSE_CMD_INFO, we need to provide
sensors min and max frequency.

BUG=none
BRANCH=none
TEST=compile

Change-Id: I8bcd4e2287a79ac17b0dce58ad7704876e89bcdb
Signed-off-by: Gwendal Grignou <190c5a5edfcf62e0246559bf31fa7548674de3ad@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/723601

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