ALSA: pcsp: Replace with DEFINE_SIMPLE_DEV_PM_OPS()

Use the	new DEFINE_SIMPLE_DEV_PM_OPS() instead of SIMPLE_DEV_PM_OPS()
for code-simplification.  We need no longer CONFIG_PM_SLEEP ifdefs.
Just a cleanup, no functional changes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240207155140.18238-4-tiwai@suse.deSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/drivers/pcsp/pcsp.c

@@ -176,7 +176,6 @@ static void pcsp_stop_beep(struct snd_pcsp *chip)
 	pcspkr_stop_sound();
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int pcsp_suspend(struct device *dev)
 {
 	struct snd_pcsp *chip = dev_get_drvdata(dev);
@@ -184,11 +183,7 @@ static int pcsp_suspend(struct device *dev)
 	return 0;
 }
 
-static SIMPLE_DEV_PM_OPS(pcsp_pm, pcsp_suspend, NULL);
-#define PCSP_PM_OPS	&pcsp_pm
-#else
-#define PCSP_PM_OPS	NULL
-#endif	/* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(pcsp_pm, pcsp_suspend, NULL);
 
 static void pcsp_shutdown(struct platform_device *dev)
 {
@@ -199,7 +194,7 @@ static void pcsp_shutdown(struct platform_device *dev)
 static struct platform_driver pcsp_platform_driver = {
 	.driver		= {
 		.name	= "pcspkr",
-		.pm	= PCSP_PM_OPS,
+		.pm	= &pcsp_pm,
 	},
 	.probe		= pcsp_probe,
 	.shutdown	= pcsp_shutdown,