V4L/DVB (7115): Fix bug #9833: regression when compiling V4L without I2C

Adrian Bunk reported:

> > Commit 8ffbc6559493c64d6194c92d856196fdaeb8a5fb causes the following
> > compile error with CONFIG_VIDEO_DEV=y/m, CONFIG_I2C=n:
> >
> > <--  snip  -->
> >
> > ...
> >   MODPOST 26 modules
> > ERROR: "i2c_attach_client" [drivers/media/video/v4l2-common.ko] undefined!
> > make[2]: *** [__modpost] Error 1
> >
> > <--  snip  -->

...

And what should happen if CONFIG_VIDEO_DEV=y, CONFIG_I2C=m?

CC: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index 850b8c6..3f209b3 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -10,8 +10,9 @@
 
 stkwebcam-objs	:=	stk-webcam.o stk-sensor.o
 
-obj-$(CONFIG_VIDEO_DEV) += videodev.o v4l2-common.o compat_ioctl32.o \
-			   v4l2-int-device.o
+obj-$(CONFIG_VIDEO_DEV) += videodev.o compat_ioctl32.o v4l2-int-device.o
+
+obj-$(CONFIG_VIDEO_V4L2_COMMON) += v4l2-common.o
 
 ifeq ($(CONFIG_VIDEO_V4L1_COMPAT),y)
   obj-$(CONFIG_VIDEO_DEV) += v4l1-compat.o