memory: tegra: Correct stub of devm_tegra_memory_controller_get()

Correct typo in a stub of devm_tegra_memory_controller_get() to fix a
non-ARM kernel compile-testing.
Reported-by: NStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: NDmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20201111011456.7875-2-digetx@gmail.comSigned-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

include/soc/tegra/mc.h

@@ -207,7 +207,7 @@ struct tegra_mc *devm_tegra_memory_controller_get(struct device *dev);
 static inline struct tegra_mc *
 devm_tegra_memory_controller_get(struct device *dev)
 {
-	ERR_PTR(-ENODEV);
+	return ERR_PTR(-ENODEV);
 }
 #endif