Uses product name instead of product ID

Some Pupil Labs cameras apparently ship with non-unique productId.
Using just the product name instead.

uvcengine/uvcvideodevicecontrol.cpp

@@ -87,7 +87,7 @@ void UVCVideoDeviceControl::setSelectedDevice(int index)
                     qWarning() << "uvc_get_device_descriptor" << uvc_strerror(res);
                     return;
                 }
-                bool selectedDevice = QString::number(desc->idProduct).compare(device) == 0;
+                bool selectedDevice = QString(desc->product).compare(device) == 0;
                 uvc_free_device_descriptor(desc);
 
                 if (selectedDevice) {
@@ -158,7 +158,7 @@ void UVCVideoDeviceControl::updateDevices()
 
         UVCVideoDeviceInfo devInfo;
 
-        devInfo.first = QString::number(desc->idProduct).toUtf8();
+        devInfo.first = QString(desc->product).toUtf8();
         devInfo.second = QString(desc->product).toUtf8();
 
         deviceList->append(devInfo);