media: tuners: make snd_pcm_hardware const

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

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

drivers/media/tuners/tda18271-maps.c

@@ -1182,7 +1182,7 @@ fail:
 
 /*---------------------------------------------------------------------*/
 
-static struct tda18271_std_map tda18271c1_std_map = {
+static const struct tda18271_std_map tda18271c1_std_map = {
 	.fm_radio = { .if_freq = 1250, .fm_rfn = 1, .agc_mode = 3, .std = 0,
 		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x18 */
 	.atv_b    = { .if_freq = 6750, .fm_rfn = 0, .agc_mode = 1, .std = 6,
@@ -1215,7 +1215,7 @@ static struct tda18271_std_map tda18271c1_std_map = {
 		      .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1f */
 };
 
-static struct tda18271_std_map tda18271c2_std_map = {
+static const struct tda18271_std_map tda18271c2_std_map = {
 	.fm_radio = { .if_freq = 1250, .fm_rfn = 1, .agc_mode = 3, .std = 0,
 		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x18 */
 	.atv_b    = { .if_freq = 6000, .fm_rfn = 0, .agc_mode = 1, .std = 5,