Don't trigger watchdog when power button is held down
Don't trigger watchdog when power button is held down

This situation occurs during USB download - the EC resets itself which
causes USB programming to generally fail.

Is this the correct fix?

BUG=none
TEST=build on daisy and discovery; run on daisy
$ cros_bundle_firmware -b daisy -w usb
See that it now succeeds

Change-Id: I293e85d08d3c488d5b6bebe3379deb949f211986
Signed-off-by: Simon Glass <c00b0378376498bd9cd974c388df8854c0131d27@chromium.org>

coreboot/chrome-ec,eatbyte/chromium-ec,longsleep/ec,mtk09422/chromiumos-platform-ec,fourier49/BZ_DEV_EC,akappy7/ChromeOS_EC_LED_Diagnostics,longsleep/ec,fourier49/BZ_DEV_EC,md5555/ec,gelraen/cros-ec,thehobn/ec,thehobn/ec,alterapraxisptyltd/chromium-ec,md5555/ec,alterapraxisptyltd/chromium-ec,fourier49/BZ_DEV_EC,thehobn/ec,akappy7/ChromeOS_EC_LED_Diagnostics,fourier49/BZ_DEV_EC,mtk09422/chromiumos-platform-ec,eatbyte/chromium-ec,fourier49/BIZ_EC,akappy7/ChromeOS_EC_LED_Diagnostics,mtk09422/chromiumos-platform-ec,md5555/ec,md5555/ec,fourier49/BIZ_EC,fourier49/BIZ_EC,alterapraxisptyltd/chromium-ec,coreboot/chrome-ec,thehobn/ec,coreboot/chrome-ec,gelraen/cros-ec,mtk09422/chromiumos-platform-ec,longsleep/ec,akappy7/ChromeOS_EC_LED_Diagnostics,gelraen/cros-ec,longsleep/ec,coreboot/chrome-ec,fourier49/BIZ_EC,akappy7/ChromeOS_EC_LED_Diagnostics,alterapraxisptyltd/chromium-ec,eatbyte/chromium-ec,coreboot/chrome-ec,coreboot/chrome-ec,gelraen/cros-ec,eatbyte/chromium-ec