identify Platform chips

Platform Technologies Inc [PCI vendor ID 1285]
acquired by ESS

[0100] AGOGO sound chip (ESS Maestro-1)

[AGOGODevices PnP]
%AGOGOXP = *PTA0000
%AGOGOSB = SBP&FM
%AGOGO401WD = MPU401
%AGOGO401W = *PTA0002