sound / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM

After commit b2b49ccbdd54 (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.

Replace CONFIG_PM_RUNTIME with CONFIG_PM everywhere under sound/.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Acked-by: Brian Austin <brian.austin@cirrus.com>
Acked-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c
index a01ad62..b80970d 100644
--- a/sound/soc/codecs/wm5100.c
+++ b/sound/soc/codecs/wm5100.c
@@ -2664,7 +2664,7 @@
 	return 0;
 }
 
-#ifdef CONFIG_PM_RUNTIME
+#ifdef CONFIG_PM
 static int wm5100_runtime_suspend(struct device *dev)
 {
 	struct wm5100_priv *wm5100 = dev_get_drvdata(dev);