media: bt8xx: Make i2c_algo_bit_data const

Make this const as it is only used in a copy operation.
Signed-off-by: NBhumika Goyal <bhumirks@gmail.com>
Signed-off-by: NHans Verkuil <hansverk@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/pci/bt8xx/bttv-i2c.c

@@ -97,7 +97,7 @@ static int bttv_bit_getsda(void *data)
 	return state;
 }
 
-static struct i2c_algo_bit_data bttv_i2c_algo_bit_template = {
+static const struct i2c_algo_bit_data bttv_i2c_algo_bit_template = {
 	.setsda  = bttv_bit_setsda,
 	.setscl  = bttv_bit_setscl,
 	.getsda  = bttv_bit_getsda,