V4L/DVB (5380): Cx25840-firmware include cleanup

There is no reason why cx25840-firmware.c would need to include
<linux/i2c-algo-bit.h>.
Signed-off-by: NJean Delvare <khali@linux-fr.org>
Signed-off-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/cx25840/cx25840-firmware.c

@@ -17,7 +17,6 @@
 
 #include <linux/module.h>
 #include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
 #include <linux/firmware.h>
 #include <media/v4l2-common.h>
 #include <media/cx25840.h>