V4L/DVB (7810): soc_camera: mt9v022 and mt9m001 depend on I2C

Both mt9v022 and mt9m001 cameras are controlled over the I2C bus.
Respectively, their drivers require I2C to be built successfully.
Thanks to Ingo Molnar for reporting the build-breakage.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/Kconfig

@@ -906,7 +906,7 @@ config SOC_CAMERA
 
 config SOC_CAMERA_MT9M001
 	tristate "mt9m001 support"
-	depends on SOC_CAMERA
+	depends on SOC_CAMERA && I2C
 	select GPIO_PCA953X if MT9M001_PCA9536_SWITCH
 	help
 	  This driver supports MT9M001 cameras from Micron, monochrome
@@ -921,7 +921,7 @@ config MT9M001_PCA9536_SWITCH
 
 config SOC_CAMERA_MT9V022
 	tristate "mt9v022 support"
-	depends on SOC_CAMERA
+	depends on SOC_CAMERA && I2C
 	select GPIO_PCA953X if MT9V022_PCA9536_SWITCH
 	help
 	  This driver supports MT9V022 cameras from Micron