hx_util: Modify scripts and add policies for hidraw

hx_util firmware updater tool now using hidraw to update firmware.
We need to add relative policies for it. For dedede overlay using
 old firmware, keep using i2c for compatiblity.

BUG=b:281920761
TEST=run test on dedede works, run test on staryu need add acc/grp
     build touch_updater using staryu build pass

Change-Id: I76974d685cc8507702336ddb3bd26a7ac9e993bc
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/touch_updater/+/4541863
Tested-by: yang tylor <tylor_yang@himax.corp-partner.google.com>
Reviewed-by: Henry Barnor <hbarnor@chromium.org>
Commit-Queue: Knox Chiou <knoxchiou@chromium.org>
6 files changed