[PATCH 4.18 140/235] of: fix phandle cache creation for DTs with no phandles

4.18-stable review patch. If anyone has any objections, please let me know. -- From: Rob Herring commit e54192b48da75f025ae4b277925eaf6aca1d13bd upstream. With commit 0b3ce78e90fc ("of: cache phandle nodes to reduce cost of of_find_node_by_phandle()"), a G3 PowerMac fails to

[PATCH 4.18 140/235] of: fix phandle cache creation for DTs with no phandles

4.18-stable review patch. If anyone has any objections, please let me know. -- From: Rob Herring commit e54192b48da75f025ae4b277925eaf6aca1d13bd upstream. With commit 0b3ce78e90fc ("of: cache phandle nodes to reduce cost of of_find_node_by_phandle()"), a G3 PowerMac fails to