pinctrl: nomadik: Silence compiler warn for !CONFIG_PM

The static suspend/resume functions were not being used while
!CONFIG_PM. Fix it and convert to CONFIG_PM_SLEEP.

Signed-off-by: Ulf Hansson <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>

drivers/pinctrl/pinctrl-nomadik.c

···
 	{},
 };
 
+#ifdef CONFIG_PM_SLEEP
 static int nmk_pinctrl_suspend(struct platform_device *pdev, pm_message_t state)
 {
 	struct nmk_pinctrl *npct;
···
 
 	return pinctrl_force_default(npct->pctl);
 }
+#endif
 
 static int nmk_pinctrl_probe(struct platform_device *pdev)
 {
···
 		.of_match_table = nmk_pinctrl_match,
 	},
 	.probe = nmk_pinctrl_probe,
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 	.suspend = nmk_pinctrl_suspend,
 	.resume = nmk_pinctrl_resume,
 #endif