ARM: Kirkwood: Replace mrvl with marvell

It has been decided to use marvell, not mrvl, in the compatibility
property. Search & replace.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c
index 9b8fd3d..fc5a868 100644
--- a/drivers/mtd/nand/orion_nand.c
+++ b/drivers/mtd/nand/orion_nand.c
@@ -218,7 +218,7 @@
 
 #ifdef CONFIG_OF
 static struct of_device_id orion_nand_of_match_table[] = {
-	{ .compatible = "mrvl,orion-nand", },
+	{ .compatible = "marvell,orion-nand", },
 	{},
 };
 #endif