const: constify remaining dev_pm_ops

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index ef8f282..0a6440c 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1236,7 +1236,7 @@
 	return 0;
 }
 
-static struct dev_pm_ops soc_pm_ops = {
+static const struct dev_pm_ops soc_pm_ops = {
 	.suspend = soc_suspend,
 	.resume = soc_resume,
 	.poweroff = soc_poweroff,