85xx: Use CONFIG_SYS_{PCI*,RIO*}_MEM_PHYS for physical address on FSL boards

Use the _MEM_PHYS defines instead of _MEM_BUS for LAW and real address fields
of TLBs.  This is what we should have always been using from the start.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Andy Fleming <afleming@freescale.com>
diff --git a/include/configs/MPC8568MDS.h b/include/configs/MPC8568MDS.h
index 8b06739..77abe4f 100644
--- a/include/configs/MPC8568MDS.h
+++ b/include/configs/MPC8568MDS.h
@@ -337,6 +337,7 @@
 #define CONFIG_SYS_PCIE1_IO_SIZE	0x00800000	/* 8M */
 
 #define CONFIG_SYS_SRIO_MEM_BUS	0xc0000000
+#define CONFIG_SYS_SRIO_MEM_PHYS	0xc0000000
 
 #ifdef CONFIG_QE
 /*