of: Remove unused variable overlay_symbols

Remove unused pointer to node "__symbols__".

Signed-off-by: Frank Rowand <[e-mail]>
Signed-off-by: Rob Herring <[e-mail]>

drivers/of/resolver.c

···
 int of_resolve_phandles(struct device_node *overlay)
 {
 	struct device_node *child, *local_fixups, *refnode;
-	struct device_node *tree_symbols, *overlay_symbols, *overlay_fixups;
+	struct device_node *tree_symbols, *overlay_fixups;
 	struct property *prop;
 	const char *refpath;
 	phandle phandle, phandle_delta;
···
 	if (err)
 		goto err_out;
 
-	overlay_symbols = NULL;
 	overlay_fixups = NULL;
 
 	for_each_child_of_node(overlay, child) {
-		if (!of_node_cmp(child->name, "__symbols__"))
-			overlay_symbols = child;
 		if (!of_node_cmp(child->name, "__fixups__"))
 			overlay_fixups = child;
 	}