media: staging: tegra-vde: Use __maybe_unused attribute instead of ifdef

Replace #ifdef with __maybe_unused attribute just to keep code cleaner a
tad.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/tegra-vde/vde.c

@@ -1150,8 +1150,7 @@ static int tegra_vde_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-static int tegra_vde_pm_suspend(struct device *dev)
+static __maybe_unused int tegra_vde_pm_suspend(struct device *dev)
 {
 	struct tegra_vde *vde = dev_get_drvdata(dev);
 	int err;
@@ -1165,7 +1164,7 @@ static int tegra_vde_pm_suspend(struct device *dev)
 	return 0;
 }
 
-static int tegra_vde_pm_resume(struct device *dev)
+static __maybe_unused int tegra_vde_pm_resume(struct device *dev)
 {
 	struct tegra_vde *vde = dev_get_drvdata(dev);
 	int err;
@@ -1178,7 +1177,6 @@ static int tegra_vde_pm_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
 static const struct dev_pm_ops tegra_vde_pm_ops = {
 	SET_RUNTIME_PM_OPS(tegra_vde_runtime_suspend,