powerpc: change 86xx SMP boot method

We put the bootpg for the secondary cpus into memory and use
BPTR to get to it.  This is a step towards converting to the
ePAPR boot methodology.  Also, the code is written to
deal properly with more than 4GB of RAM.

Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
diff --git a/cpu/mpc86xx/cpu_init.c b/cpu/mpc86xx/cpu_init.c
index 4ab88f0..06f179c 100644
--- a/cpu/mpc86xx/cpu_init.c
+++ b/cpu/mpc86xx/cpu_init.c
@@ -31,6 +31,7 @@
 #include <mpc86xx.h>
 #include <asm/mmu.h>
 #include <asm/fsl_law.h>
+#include "mp.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -121,6 +122,9 @@
  */
 int cpu_init_r(void)
 {
+#if (CONFIG_NUM_CPUS > 1)
+	setup_mp();
+#endif
 	return 0;
 }