malefor: Configure temperature sensors
malefor: Configure temperature sensors

Enable the ADC alternate function to reduce power usage.

BUG=b:155882590
TEST=make buildall
BRANCH=none

Signed-off-by: Abe Levkoy <2e1ad7039298f93262cf06bbb457275fb3e2ecb5@chromium.org>
Change-Id: I09dd88d28ce15ea807bf68c2041621a89f4ad79b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2493409
Reviewed-by: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>
Commit-Queue: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>

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