mtd: nand: bcm47xxnflash: 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 value 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/bcm47xxnflash/main.c b/drivers/mtd/nand/bcm47xxnflash/main.c
index 461577c..9ba0c0f 100644
--- a/drivers/mtd/nand/bcm47xxnflash/main.c
+++ b/drivers/mtd/nand/bcm47xxnflash/main.c
@@ -34,7 +34,7 @@
 		return -ENOMEM;
 
 	b47n->nand_chip.priv = b47n;
-	b47n->mtd.owner = THIS_MODULE;
+	b47n->mtd.dev.parent = &pdev->dev;
 	b47n->mtd.priv = &b47n->nand_chip; /* Required */
 	b47n->cc = container_of(nflash, struct bcma_drv_cc, nflash);