media: usb: make i2c_adapter const

Make these const as they are only used in a copy operation.
Done using Coccinelle

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Acked-by: Mike Isely <isely@pobox.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/usb/hdpvr/hdpvr-i2c.c

@@ -185,7 +185,7 @@ static const struct i2c_algorithm hdpvr_algo = {
 	.functionality = hdpvr_functionality,
 };
 
-static struct i2c_adapter hdpvr_i2c_adapter_template = {
+static const struct i2c_adapter hdpvr_i2c_adapter_template = {
 	.name   = "Hauppage HD PVR I2C",
 	.owner  = THIS_MODULE,
 	.algo   = &hdpvr_algo,