it8380dev: modify hwtimer's comment
it8380dev: modify hwtimer's comment

Signed-off-by: Dino Li <00c808bcd0610e8dd73a10880490949c0c589d41@ite.com.tw>

BRANCH=none
BUG=none
TEST=make buildall -j

Change-Id: Id161c84437e8d6edc2ec1a4cde292f642d08b853
Reviewed-on: https://chromium-review.googlesource.com/311333
Commit-Ready: Dino Li <00c808bcd0610e8dd73a10880490949c0c589d41@ite.com.tw>
Tested-by: Dino Li <00c808bcd0610e8dd73a10880490949c0c589d41@ite.com.tw>
Reviewed-by: Randall Spangler <62698fdbb84d1779579ee80c3f39fac22017e5bc@chromium.org>

akappy7/ChromeOS_EC_LED_Diagnostics,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,akappy7/ChromeOS_EC_LED_Diagnostics,coreboot/chrome-ec,akappy7/ChromeOS_EC_LED_Diagnostics,coreboot/chrome-ec,akappy7/ChromeOS_EC_LED_Diagnostics,coreboot/chrome-ec,akappy7/ChromeOS_EC_LED_Diagnostics