Add battery capacity to python API

2 jobs for !264 with batt-capacity in 45 seconds (queued for 5 seconds)
merge request
Name Stage Failure
failed
lint Test
-      MP_ROM_PTR(&power_read_battery_capacity_obj) },
- { MP_ROM_QSTR(MP_QSTR_read_chargein_voltage),
+ { MP_ROM_QSTR(MP_QSTR_read_battery_capacity),
+ MP_ROM_PTR(&power_read_battery_capacity_obj) },
+ { MP_ROM_QSTR(MP_QSTR_read_chargein_voltage),
MP_ROM_PTR(&power_read_chargein_voltage_obj) },
{ MP_ROM_QSTR(MP_QSTR_read_chargein_current),
MP_ROM_PTR(&power_read_chargein_current_obj) },
ERROR: Job failed: exit code 1