power: vm_bms: Skip adc-tm notifications for a debug board

On detecting a debug board disable adc-tm notifications for low
and high vbat thresholds, as vbat monitoring is not required
in case of debug board.

while at it disable adc-tm notifications for batt_therm channel for
linear charger.

Change-Id: I93cd747902d4c3e05c335dbc73c3ea0e308c9af4
Signed-off-by: Kavya Nunna <knunna@codeaurora.org>