Drivers: Decouple from devices

This allows us to better implement alternative drivers
for devices, such as for device sharing servers or
talking to CoreMini processors within the same device.

include/icsneo/device/tree/valuecan4/valuecan4.h

@@ -10,17 +10,16 @@ namespace icsneo {
 
 class ValueCAN4 : public Device {
 public:
-	// All ValueCAN 4 devices share a USB PID
-	static constexpr const uint16_t USB_PRODUCT_ID = 0x1101;
+	// All ValueCAN 4 devices share a USB PID of 0x1101
 
 protected:
+	using Device::Device;
+
 	virtual void setupEncoder(Encoder& encoder) override {
 		Device::setupEncoder(encoder);
 		encoder.supportCANFD = true;
 	}
 
-	ValueCAN4(neodevice_t neodevice) : Device(neodevice) {}
-
 	bool requiresVehiclePower() const override { return false; }
 };