V4L/DVB (4839): Add support ptv-305

Add subvendor/device of the ADSTech Instant TV Deluxe PTV-305 to the
card list as card=45 (KWORLD_HARDWARE_MPEG_TV_XPERT).
Signed-off-by: Jelle Foks <jelle@foks.8m.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/cx88/cx88-cards.c

@@ -1532,6 +1532,10 @@ struct cx88_subid cx88_subids[] = {
 		.subvendor = 0x17de,
 		.subdevice = 0x0840,
 	       .card      = CX88_BOARD_KWORLD_HARDWARE_MPEG_TV_XPERT,
+       },{
+	       .subvendor = 0x1421,
+	       .subdevice = 0x0305,
+		.card      = CX88_BOARD_KWORLD_HARDWARE_MPEG_TV_XPERT,
 	},{
 		.subvendor = 0x18ac,
 		.subdevice = 0xdb40,