This adds is_battery_present_and_above_critical_threshold to check the
battery is present and the battery level is above critical level.
BUG=b:296952944
TEST=Build rex and check is_battery_present_and_above_critical_threshold
returns the correct battery status.
Change-Id: Ib38be55bc42559bab4f12d5e8580ddc3e1a6acc1
Signed-off-by: Jamie Ryu <jamie.m.ryu@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78321
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>