mpc8610hpcd: Fix PCI mapping concepts

Rename _BASE to _BUS, as it's actually a PCI bus address,
separate virtual and physical addresses into _VIRT and _PHYS,
and use each appopriately.  This makes the code easier to read
and understand, and facilitates mapping changes going forward.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
diff --git a/board/freescale/mpc8610hpcd/mpc8610hpcd.c b/board/freescale/mpc8610hpcd/mpc8610hpcd.c
index 2792778..a2097a5 100644
--- a/board/freescale/mpc8610hpcd/mpc8610hpcd.c
+++ b/board/freescale/mpc8610hpcd/mpc8610hpcd.c
@@ -266,14 +266,14 @@
 
 		/* 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);
 
 		/* outbound io */
 		pci_set_region(r++,
-			 CONFIG_SYS_PCIE1_IO_BASE,
+			 CONFIG_SYS_PCIE1_IO_BUS,
 			 CONFIG_SYS_PCIE1_IO_PHYS,
 			 CONFIG_SYS_PCIE1_IO_SIZE,
 			 PCI_REGION_IO);
@@ -321,14 +321,14 @@
 
 		/* 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);
 
 		/* outbound io */
 		pci_set_region(r++,
-			 CONFIG_SYS_PCIE2_IO_BASE,
+			 CONFIG_SYS_PCIE2_IO_BUS,
 			 CONFIG_SYS_PCIE2_IO_PHYS,
 			 CONFIG_SYS_PCIE2_IO_SIZE,
 			 PCI_REGION_IO);
@@ -370,14 +370,14 @@
 
 		/* 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);
 
 		/* outbound io */
 		pci_set_region(r++,
-			 CONFIG_SYS_PCI1_IO_BASE,
+			 CONFIG_SYS_PCI1_IO_BUS,
 			 CONFIG_SYS_PCI1_IO_PHYS,
 			 CONFIG_SYS_PCI1_IO_SIZE,
 			 PCI_REGION_IO);