[ros-diffs] [dchapyshev] 38769: - Add power.c file for power management functions - Move GetSystemPowerStatus, SetSystemPowerState, GetDevicePowerState, RequestDeviceWakeup, RequestWakeupLatency, CancelDeviceWakeupRequest, IsSystemResumeAutomatic, and SetMessageWaitingIndicator to power.c - Implement GetSystemPowerStatus