dm: core: Set correct "status" value for a node

Per device tree spec, "status" property can have a value of "okay",
or "disabled", but not "disable".

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index 179a644..2ac73af 100644
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -884,5 +884,5 @@
 	if (value)
 		return ofnode_write_string(node, "status", "okay");
 	else
-		return ofnode_write_string(node, "status", "disable");
+		return ofnode_write_string(node, "status", "disabled");
 }