brya: fix prochot mis-triggered
brya: fix prochot mis-triggered

The adapter voltage unit should be V, if we used mV will let PROCHOT#
mis-triggered.

BUG=b:198689488, b:198722634
BRANCH=none
TEST=make -j BOARD=gimble
TEST=AC only/ AC+DC/ DC only

Signed-off-by: Scott Chao <8cefa9751fac9aaa897ba1213763a96ba8dbd20d@wistron.corp-partner.google.com>
Change-Id: I1a4cad8f83e4adf2e7b1b086a244d8ce286166fb
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3229050
Reviewed-by: Boris Mittelberg <46897f4fb5cad4b1d5146ad1fd460d7f4825bbf7@google.com>

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