powerpc: Move cpu specific lmb reserve to arch_lmb_reserve

We've been utilizing board_lmb_reserve to reserve the boot page for MP
systems.  We can just move this into arch_lmb_reserve for 85xx & 86xx
systems rather than duplicating in each board port.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/board/freescale/p1022ds/p1022ds.c b/board/freescale/p1022ds/p1022ds.c
index 0ea0bdf..62beafa 100644
--- a/board/freescale/p1022ds/p1022ds.c
+++ b/board/freescale/p1022ds/p1022ds.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010 Freescale Semiconductor, Inc.
+ * Copyright 2010-2011 Freescale Semiconductor, Inc.
  * Authors: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
  *          Timur Tabi <timur@freescale.com>
  *
@@ -24,7 +24,6 @@
 #include <fdt_support.h>
 #include <tsec.h>
 #include <asm/fsl_law.h>
-#include <asm/mp.h>
 #include <netdev.h>
 #include <i2c.h>
 #include <hwconfig.h>
@@ -302,10 +301,3 @@
 	ft_codec_setup(blob, "wlf,wm8776");
 }
 #endif
-
-#ifdef CONFIG_MP
-void board_lmb_reserve(struct lmb *lmb)
-{
-	cpu_mp_lmb_reserve(lmb);
-}
-#endif