Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/gpio/gpio-reg.h b/include/linux/gpio/gpio-reg.h
index 5c6efd3..39b888c 100644
--- a/include/linux/gpio/gpio-reg.h
+++ b/include/linux/gpio/gpio-reg.h
@@ -11,4 +11,4 @@
 
 int gpio_reg_resume(struct gpio_chip *gc);
 
-#endif
+#endif /* GPIO_REG_H */