V4L/DVB (4608c): Fix I2C dependencies for saa7146 modules

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/Kconfig

@@ -260,7 +260,7 @@ source "drivers/media/video/saa7134/Kconfig"
 
 config VIDEO_MXB
 	tristate "Siemens-Nixdorf 'Multimedia eXtension Board'"
-	depends on PCI && VIDEO_V4L1
+	depends on PCI && VIDEO_V4L1 && I2C
 	select VIDEO_SAA7146_VV
 	select VIDEO_TUNER
 	---help---
@@ -272,7 +272,7 @@ config VIDEO_MXB
 
 config VIDEO_DPC
 	tristate "Philips-Semiconductors 'dpc7146 demonstration board'"
-	depends on PCI && VIDEO_V4L1
+	depends on PCI && VIDEO_V4L1 && I2C
 	select VIDEO_SAA7146_VV
 	select VIDEO_V4L2
 	---help---
@@ -287,7 +287,7 @@ config VIDEO_DPC
 
 config VIDEO_HEXIUM_ORION
 	tristate "Hexium HV-PCI6 and Orion frame grabber"
-	depends on PCI && VIDEO_V4L1
+	depends on PCI && VIDEO_V4L1 && I2C
 	select VIDEO_SAA7146_VV
 	select VIDEO_V4L2
 	---help---
@@ -299,7 +299,7 @@ config VIDEO_HEXIUM_ORION
 
 config VIDEO_HEXIUM_GEMINI
 	tristate "Hexium Gemini frame grabber"
-	depends on PCI && VIDEO_V4L1
+	depends on PCI && VIDEO_V4L1 && I2C
 	select VIDEO_SAA7146_VV
 	select VIDEO_V4L2
 	---help---