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/mp.h b/cpu/mpc86xx/mp.h
new file mode 100644
index 0000000..886e0c8
--- /dev/null
+++ b/cpu/mpc86xx/mp.h
@@ -0,0 +1,7 @@
+#ifndef __MPC86XX_MP_H_
+#define __MPC86XX_MP_H_
+
+void setup_mp(void);
+void cpu_mp_lmb_reserve(struct lmb *lmb);
+
+#endif