HID: add support for HuiJia USB Gamepad connector

commit 6d1db0777981e1626ae71243984ac300b61789ff upstream.

Create each gamepad as a separate joystick

Signed-off-by: Clemens Werther <clemens.werther@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 8c9f6e8..00716c7 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -277,6 +277,7 @@
 #define USB_DEVICE_ID_PENPOWER		0x00f4
 
 #define USB_VENDOR_ID_GREENASIA		0x0e8f
+#define USB_DEVICE_ID_GREENASIA_DUAL_USB_JOYPAD	0x3013
 
 #define USB_VENDOR_ID_GRETAGMACBETH	0x0971
 #define USB_DEVICE_ID_GRETAGMACBETH_HUEY	0x2005