[media] av7110: constify sp8870_config structure

This sp8870_config structure is never modified, so declare it as
const.

Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/pci/ttpci/av7110.c

@@ -1739,7 +1739,7 @@ static int alps_tdlb7_request_firmware(struct dvb_frontend* fe, const struct fir
 #endif
 }
 
-static struct sp8870_config alps_tdlb7_config = {
+static const struct sp8870_config alps_tdlb7_config = {
 
 	.demod_address = 0x71,
 	.request_firmware = alps_tdlb7_request_firmware,