media: dvb-usb: Add helper macros for using USB VID/PID

In order to use designated initializers and to avoid avoid big lines
at the USB ID tables, define some helper macros.

Link: https://lore.kernel.org/linux-media/f82e376dea2e9b922f51a03d1e7730b03e49cc7d.1648499509.git.mchehab@kernel.orgSigned-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

include/media/dvb-usb-ids.h

@@ -10,6 +10,14 @@
 #ifndef _DVB_USB_IDS_H_
 #define _DVB_USB_IDS_H_
 
+#include <linux/usb.h>
+
+#define DVB_USB_DEV(pid, vid) \
+    [vid] = { USB_DEVICE(USB_VID_ ## pid, USB_PID_ ## vid) }
+
+#define DVB_USB_DEV_VER(pid, vid, lo, hi) \
+    [vid] = { USB_DEVICE_VER(USB_VID_ ## pid, USB_PID_ ## vid, lo, hi) }
+
 /* Vendor IDs */
 
 #define USB_VID_774				0x7a69