ppc64: Add a `primary' argument to pci_process_bridge_OF_ranges

... for consistency with ppc32 and to make the powermac merge easier.
Also make it use just a single resource in the host bridge for multiple
consecutive elements of the ranges property.

Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/ppc64/kernel/rtas_pci.c b/arch/ppc64/kernel/rtas_pci.c
index 20361bc..3ad15c9 100644
--- a/arch/ppc64/kernel/rtas_pci.c
+++ b/arch/ppc64/kernel/rtas_pci.c
@@ -400,7 +400,7 @@
 		if (!phb)
 			continue;
 
-		pci_process_bridge_OF_ranges(phb, node);
+		pci_process_bridge_OF_ranges(phb, node, 0);
 		pci_setup_phb_io(phb, index == 0);
 #ifdef CONFIG_PPC_PSERIES
 		if (ppc64_interrupt_controller == IC_OPEN_PIC && pSeries_mpic) {
@@ -450,7 +450,7 @@
 	if (!phb)
 		return NULL;
 
-	pci_process_bridge_OF_ranges(phb, dn);
+	pci_process_bridge_OF_ranges(phb, dn, primary);
 
 	pci_setup_phb_io_dynamic(phb, primary);
 	of_node_put(root);