mtd: nand: fsl_upm: show parent device in sysfs

Fix a bug where parent device symlinks aren't shown in sysfs.

While at it, make use of the default owner set by mtdcore.

Signed-off-by: Frans Klaver <fransklaver@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index 72755d7..d326369 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -176,7 +176,7 @@
 		fun->chip.dev_ready = fun_chip_ready;
 
 	fun->mtd.priv = &fun->chip;
-	fun->mtd.owner = THIS_MODULE;
+	fun->mtd.dev.parent = fun->dev;
 
 	flash_np = of_get_next_child(upm_np, NULL);
 	if (!flash_np)