ppc/85xx: Clean up use of LAWAR defines

On 85xx platforms we shouldn't be using any LAWAR_* defines
but using the LAW_* ones provided by fsl-law.h.  Rename any such
uses and limit the LAWAR_ to the 83xx platform as the only user so
we will get compile errors in the future.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/board/freescale/p2020ds/law.c b/board/freescale/p2020ds/law.c
index da297c5..28ed2ed 100644
--- a/board/freescale/p2020ds/law.c
+++ b/board/freescale/p2020ds/law.c
@@ -29,11 +29,11 @@
 
 struct law_entry law_table[] = {
 	SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
-	SET_LAW(CONFIG_SYS_PCIE1_MEM_PHYS, LAWAR_SIZE_512M, LAW_TRGT_IF_PCIE_1),
+	SET_LAW(CONFIG_SYS_PCIE1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_1),
 	SET_LAW(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_1),
-	SET_LAW(CONFIG_SYS_PCIE2_MEM_PHYS, LAWAR_SIZE_512M, LAW_TRGT_IF_PCIE_2),
+	SET_LAW(CONFIG_SYS_PCIE2_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_2),
 	SET_LAW(CONFIG_SYS_PCIE2_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_2),
-	SET_LAW(CONFIG_SYS_PCIE3_MEM_PHYS, LAWAR_SIZE_512M, LAW_TRGT_IF_PCIE_3),
+	SET_LAW(CONFIG_SYS_PCIE3_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_3),
 	SET_LAW(CONFIG_SYS_PCIE3_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_3),
 	SET_LAW(PIXIS_BASE_PHYS, LAW_SIZE_4K, LAW_TRGT_IF_LBC),
 	SET_LAW(CONFIG_SYS_NAND_BASE_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_LBC),