This command will be used to perform power validation.
BUG=none
BRANCH=none
TEST=ectool extpwrlimit command can be used to set the max voltage/current
drawn from external charger.
Change-Id: Ic258954c1e3a714be7f648e77234dab594227ce0
Signed-off-by: Shamile Khan <shamile.khan@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/388843
Reviewed-by: Shawn N <shawnn@chromium.org>