V4L/DVB (6932): cx23885: add missing subsystem ID for Hauppauge HVR1800 Retail

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

Documentation/video4linux/CARDLIST.cx23885

   0 -> UNKNOWN/GENERIC                                     [0070:3400]
   1 -> Hauppauge WinTV-HVR1800lp                           [0070:7600]
-  2 -> Hauppauge WinTV-HVR1800                             [0070:7800,0070:7801]
+  2 -> Hauppauge WinTV-HVR1800                             [0070:7800,0070:7801,0070:7809]
   3 -> Hauppauge WinTV-HVR1250                             [0070:7911]
   4 -> DViCO FusionHDTV5 Express                           [18ac:d500]
   5 -> Hauppauge WinTV-HVR1500Q                            [0070:7797]

drivers/media/video/cx23885/cx23885-cards.c

@@ -144,6 +144,10 @@ struct cx23885_subid cx23885_subids[] = {
 		.subvendor = 0x0070,
 		.subdevice = 0x7801,
 		.card      = CX23885_BOARD_HAUPPAUGE_HVR1800,
+	},{
+		.subvendor = 0x0070,
+		.subdevice = 0x7809,
+		.card      = CX23885_BOARD_HAUPPAUGE_HVR1800,
 	},{
 		.subvendor = 0x0070,
 		.subdevice = 0x7911,