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/mpc8572ds/mpc8572ds.c b/board/freescale/mpc8572ds/mpc8572ds.c
index 88ab06d..01143ec 100644
--- a/board/freescale/mpc8572ds/mpc8572ds.c
+++ b/board/freescale/mpc8572ds/mpc8572ds.c
@@ -185,7 +185,7 @@
 
 			/* outbound memory */
 			pci_set_region(r++,
-					CONFIG_SYS_PCIE3_MEM_BASE,
+					CONFIG_SYS_PCIE3_MEM_BUS,
 					CONFIG_SYS_PCIE3_MEM_PHYS,
 					CONFIG_SYS_PCIE3_MEM_SIZE,
 					PCI_REGION_MEM);
@@ -252,7 +252,7 @@
 
 			/* outbound memory */
 			pci_set_region(r++,
-					CONFIG_SYS_PCIE2_MEM_BASE,
+					CONFIG_SYS_PCIE2_MEM_BUS,
 					CONFIG_SYS_PCIE2_MEM_PHYS,
 					CONFIG_SYS_PCIE2_MEM_SIZE,
 					PCI_REGION_MEM);
@@ -307,7 +307,7 @@
 
 			/* 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);