[POWERPC] Remove old interface find_path_device

Replaced by of_find_node_by_path.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c
index 669965a..ed53f54 100644
--- a/drivers/char/briq_panel.c
+++ b/drivers/char/briq_panel.c
@@ -202,13 +202,16 @@
 
 static int __init briq_panel_init(void)
 {
-	struct device_node *root = find_path_device("/");
+	struct device_node *root = of_find_node_by_path("/");
 	const char *machine;
 	int i;
 
 	machine = of_get_property(root, "model", NULL);
-	if (!machine || strncmp(machine, "TotalImpact,BRIQ-1", 18) != 0)
+	if (!machine || strncmp(machine, "TotalImpact,BRIQ-1", 18) != 0) {
+		of_node_put(root);
 		return -ENODEV;
+	}
+	of_node_put(root);
 
 	printk(KERN_INFO
 		"briq_panel: v%s Dr. Karsten Jeppesen (kj@totalimpact.com)\n",