Get battery voltage or consumption information

Use CHWRMPower::GetBatteryVoltageInfo() to get the battery voltage information and CHWRMPower::GetBatteryInfo() to get the battery consumption data from HWRM server.

The following code snippet demonstrates how to get battery consumption information:

TRequestStatus& status
TBatteryConsuptionData batterydata;
iPower->GetBatteryInfo( status, batterydata );
User::WaitForRequest( status );
...