85xx: Added support for multicore boot mechanism

Added the cpu command that provides a generic mechanism to get status,
reset, and release secondary cores in multicore processors.

Added support for using the ePAPR defined spin-table mechanism on 85xx.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/cpu/mpc85xx/Makefile b/cpu/mpc85xx/Makefile
index 2205dca..adbc585 100644
--- a/cpu/mpc85xx/Makefile
+++ b/cpu/mpc85xx/Makefile
@@ -29,6 +29,9 @@
 LIB	= $(obj)lib$(CPU).a
 
 START	= start.o resetvec.o
+SOBJS-$(CONFIG_MP) += release.o
+SOBJS	= $(SOBJS-y)
+COBJS-$(CONFIG_MP) += mp.o
 COBJS-$(CONFIG_OF_LIBFDT) += fdt.o
 COBJS	= traps.o cpu.o cpu_init.o speed.o interrupts.o tlb.o \
 	  pci.o serial_scc.o commproc.o ether_fcc.o spd_sdram.o qe_io.o \