V4L/DVB: m920x: Add support for Pinnacle PCTV310e card

Adds support to Pinnacle PCTV310e hybrid tuner card, for DVB-T and
remote control, still no analog video.

[mchehab@redhat.com: fix CodingStyle issues]

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/dvb-usb/m920x.h b/drivers/media/dvb/dvb-usb/m920x.h
index 3753289..3c06151 100644
--- a/drivers/media/dvb/dvb-usb/m920x.h
+++ b/drivers/media/dvb/dvb-usb/m920x.h
@@ -18,7 +18,7 @@
 #define M9206_FW	0x30
 
 #define M9206_MAX_FILTERS 8
-#define M9206_MAX_ADAPTERS 2
+#define M9206_MAX_ADAPTERS 4
 
 /*
 sequences found in logs: