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/law.c b/board/freescale/mpc8610hpcd/law.c
index 2aad28a..0fc8384 100644
--- a/board/freescale/mpc8610hpcd/law.c
+++ b/board/freescale/mpc8610hpcd/law.c
@@ -31,8 +31,8 @@
 #if !defined(CONFIG_SPD_EEPROM)
 	SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR_1),
 #endif
-	SET_LAW(CONFIG_SYS_PCIE1_MEM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_PCIE_1),
-	SET_LAW(CONFIG_SYS_PCIE2_MEM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_PCIE_2),
+	SET_LAW(CONFIG_SYS_PCIE1_MEM_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_PCIE_1),
+	SET_LAW(CONFIG_SYS_PCIE2_MEM_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_PCIE_2),
 	SET_LAW(PIXIS_BASE, LAW_SIZE_2M, LAW_TRGT_IF_LBC),
 	SET_LAW(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCIE_1),
 	SET_LAW(CONFIG_SYS_PCIE2_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCIE_2),