Implement "SVCLOC" action.
Implement "SVCLOC" action.

This appears to be sent by the DS to find a download server for DLC
files.

ZehCariocaRj/dwc_network_server_emulator_kyle95wm,bmezali/dwc_network_server_emulator,sepalani/dwc_network_server_emulator,sepalani/dwc_network_server_emulator,eshoyfer/dwc_network_server_emulator,polaris-/dwc_network_server_emulator,ZehCariocaRj/dwc_network_server_emulator_kyle95wm,polaris-/dwc_network_server_emulator