Use usbdk backend for detecting hydro devices (if available)

This commit fixes #788 by enabling access to Corsair Hydro devices via usbdk if installed on a windows machine.

Controllers/CorsairHydroController/CorsairHydroControllerDetect.cpp

@@ -50,6 +50,10 @@ void DetectCorsairHydroControllers(std::vector<RGBController*>& rgb_controllers)
     libusb_context * ctx;
     libusb_init(&ctx);
 
+    #ifdef _WIN32
+    libusb_set_option(ctx, LIBUSB_OPTION_USE_USBDK);
+    #endif
+
     for(std::size_t device_idx = 0; device_idx < CORSAIR_NUM_DEVICES; device_idx++)
     {
         libusb_device_handle * dev = libusb_open_device_with_vid_pid(ctx, device_list[device_idx].usb_vid, device_list[device_idx].usb_pid);