zephyr: volteer: Enable POWER_SLEEP_FAILURE_DETECTION
zephyr: volteer: Enable POWER_SLEEP_FAILURE_DETECTION

Enable this feature for volteer.

BUG=b:178099673
BRANCH=none
TEST=build volteer for zephyr and see that the code is included

Signed-off-by: Simon Glass <c00b0378376498bd9cd974c388df8854c0131d27@chromium.org>
Change-Id: I8eb9b43c80f2da757983972486d3adac589b53ea
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2674948
Reviewed-by: Jack Rosenthal <d3f605bef1867f59845d4ce6e4f83b8dc9e4e0ae@chromium.org>
Commit-Queue: Jack Rosenthal <d3f605bef1867f59845d4ce6e4f83b8dc9e4e0ae@chromium.org>

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