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/maple_pci.c b/arch/ppc64/kernel/maple_pci.c
index b901470..633324b 100644
--- a/arch/ppc64/kernel/maple_pci.c
+++ b/arch/ppc64/kernel/maple_pci.c
@@ -359,7 +359,7 @@
 
 	/* Interpret the "ranges" property */
 	/* This also maps the I/O region and sets isa_io/mem_base */
-	pci_process_bridge_OF_ranges(hose, dev);
+	pci_process_bridge_OF_ranges(hose, dev, primary);
 	pci_setup_phb_io(hose, primary);
 
 	/* Fixup "bus-range" OF property */