MIPS: Use device_type helpers to access the node type

Remove directly accessing device_node.type pointer and use the accessors
instead. This will eventually allow removing the type pointer.

Signed-off-by: Rob Herring <[e-mail]>
Signed-off-by: Paul Burton <[e-mail]>
Patchwork: https://patchwork.linux-mips.org/patch/21150/
Cc: Ralf Baechle <[e-mail]>
Cc: James Hogan <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Cc: [e-mail]

arch/mips/pci/pci-rt3883.c

···
 
 	/* find the PCI host bridge child node */
 	for_each_child_of_node(np, child) {
-		if (child->type &&
-		    of_node_cmp(child->type, "pci") == 0) {
+		if (of_node_is_type(child, "pci")) {
 			rpc->pci_controller.of_node = child;
 			break;
 		}
···
 	for_each_available_child_of_node(rpc->pci_controller.of_node, child) {
 		int devfn;
 
-		if (!child->type ||
-		    of_node_cmp(child->type, "pci") != 0)
+		if (!of_node_is_type(child, "pci"))
 			continue;
 
 		devfn = of_pci_get_devfn(child);