platform/chrome: cros_ec_commands: Fix syntax errors in comments

Delete the redundant word 'using'.

Signed-off-by: Xiang wangx <wangxiang@cdjrlc.com>
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220606022313.22912-1-wangxiang@cdjrlc.com