ilitek: add updater for ilitek-its touch controller

Add scripts for firmware update using ilitek-its touch controller.

BUG=b:289734088
TEST=chromeos-touch-update.sh

Change-Id: I29df7ec9d74813d2c422a678dd033d65516834bb
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/touch_updater/+/3754817
Reviewed-by: Henry Barnor <hbarnor@chromium.org>
Commit-Queue: Joe Hong <joe_hung@ilitek.com>
Reviewed-by: Alex Lin <alex_lin@ilitek.corp-partner.google.com>
Auto-Submit: Joe Hong <joe_hung@ilitek.com>
Tested-by: Joe Hong <joe_hung@ilitek.com>
Commit-Queue: Henry Barnor <hbarnor@chromium.org>
4 files changed