media: mxl5xx: constify dvb_frontend_ops structure

The dvb_frontend_ops structure is only copied into the ops field
of a dvb_frontend structure, so it can be const.

Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/dvb-frontends/mxl5xx.c

@@ -781,7 +781,7 @@ static int set_input(struct dvb_frontend *fe, int input)
 	return 0;
 }
 
-static struct dvb_frontend_ops mxl_ops = {
+static const struct dvb_frontend_ops mxl_ops = {
 	.delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
 	.info = {
 		.name			= "MaxLinear MxL5xx DVB-S/S2 tuner-demodulator",