85xx: Convert CONFIG_SYS_{PCI*,RIO*}_MEM_BASE to _MEM_BUS for FSL boards

Use CONFIG_SYS_{PCI,RIO}_MEM_BUS for the bus relative address instead
of _MEM_BASE so we are more explicit.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Andy Fleming <afleming@freescale.com>
diff --git a/board/freescale/mpc8548cds/mpc8548cds.c b/board/freescale/mpc8548cds/mpc8548cds.c
index 90e89bc..ff8d26f 100644
--- a/board/freescale/mpc8548cds/mpc8548cds.c
+++ b/board/freescale/mpc8548cds/mpc8548cds.c
@@ -306,7 +306,7 @@
 
 		/* outbound memory */
 		pci_set_region(r++,
-			       CONFIG_SYS_PCI1_MEM_BASE,
+			       CONFIG_SYS_PCI1_MEM_BUS,
 			       CONFIG_SYS_PCI1_MEM_PHYS,
 			       CONFIG_SYS_PCI1_MEM_SIZE,
 			       PCI_REGION_MEM);
@@ -390,7 +390,7 @@
 
 		/* outbound memory */
 		pci_set_region(r++,
-			       CONFIG_SYS_PCIE1_MEM_BASE,
+			       CONFIG_SYS_PCIE1_MEM_BUS,
 			       CONFIG_SYS_PCIE1_MEM_PHYS,
 			       CONFIG_SYS_PCIE1_MEM_SIZE,
 			       PCI_REGION_MEM);