[POWERPC] Make endianess of cfg_addr for indirect pci ops runtime

Make it so we do a runtime check to know if we need to write cfg_addr
as big or little endian.  This is needed if we want to allow 86xx support
to co-exist in the same kernel as other 6xx PPCs.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c
index 3690624..28d1647 100644
--- a/arch/powerpc/platforms/chrp/pci.c
+++ b/arch/powerpc/platforms/chrp/pci.c
@@ -181,7 +181,7 @@
 	}
 	iounmap(reg);
 
-	setup_indirect_pci(hose, r.start + 0xf8000, r.start + 0xf8010);
+	setup_indirect_pci(hose, r.start + 0xf8000, r.start + 0xf8010, 0);
 }
 
 /* Marvell Discovery II based Pegasos 2 */
@@ -277,13 +277,14 @@
 			hose->cfg_data = p;
 			gg2_pci_config_base = p;
 		} else if (is_pegasos == 1) {
-			setup_indirect_pci(hose, 0xfec00cf8, 0xfee00cfc);
+			setup_indirect_pci(hose, 0xfec00cf8, 0xfee00cfc, 0);
 		} else if (is_pegasos == 2) {
 			setup_peg2(hose, dev);
 		} else if (!strncmp(model, "IBM,CPC710", 10)) {
 			setup_indirect_pci(hose,
 					   r.start + 0x000f8000,
-					   r.start + 0x000f8010);
+					   r.start + 0x000f8010,
+					   0);
 			if (index == 0) {
 				dma = of_get_property(dev, "system-dma-base",
 							&len);