add OS2L device creation

hardware/MIDIPeripheral.go

@@ -4,15 +4,13 @@ package hardware
 type MIDIPeripheral struct {
 	name       string // The name of the peripheral
 	location   int    // The location of the peripheral
-	finderName string // The name of the parent finder
 }
 
 // NewMIDIPeripheral creates a new MIDI peripheral
-func NewMIDIPeripheral(name string, location int, finderName string) *MIDIPeripheral {
+func NewMIDIPeripheral(name string, location int) *MIDIPeripheral {
 	return &MIDIPeripheral{
 		name:       name,
 		location:   location,
-		finderName: finderName,
 	}
 }