Increase audio min. freq to 204MHz

Signed-off-by: Xmister <xmisterhu@gmail.com>
Starting GPU voltage control

Signed-off-by: Xmister <xmisterhu@gmail.com>
Interactive changes

Signed-off-by: Xmister <xmisterhu@gmail.com>
Voltage control: Report only the minimal voltage per frequency

Signed-off-by: Xmister <xmisterhu@gmail.com>