cleanup: add comment to CONFIG_BATTERY_REVIVE_DISCONNECT
When you define CONFIG_BATTERY_REVIVE_DISCONNECT you also need to define
battery_get_disconnected_state method()
BRANCH=none
TEST=none
/*
* Check for battery in disconnect state (similar to cut-off state). If this
* battery is found to be in disconnect state, take it out of this state by
- * force-applying a charge current.
+ * force-applying a charge current. This option requires
+ * battery_get_disconnect_state() to be defined.
*/
#undef CONFIG_BATTERY_REVIVE_DISCONNECT
