HID: wacom: set ABS_MISC bit for Intuos4 WL

ABS_MISC has to be set for Intuos4 WL otherwise xorg driver won't use proper
protocol and the information about tool id and serial is lost.

Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Reviewed-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/hid-wacom.c

@@ -471,6 +471,7 @@ static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi,
 		input_set_abs_params(input, ABS_DISTANCE, 0, 32, 0, 0);
 		break;
 	case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
+		__set_bit(ABS_MISC, input->absbit);
 		input_set_abs_params(input, ABS_X, 0, 40640, 4, 0);
 		input_set_abs_params(input, ABS_Y, 0, 25400, 4, 0);
 		input_set_abs_params(input, ABS_PRESSURE, 0, 2047, 0, 0);