[SPARC]: Setup cpu_possible_map

Setup cpu_possible_map so the secondary cpus will get started.

Signed-off-by: Bob Breuer <breuerr@mc.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/kernel/setup.c

@@ -349,6 +349,8 @@ void __init setup_arch(char **cmdline_p)
 	init_mm.context = (unsigned long) NO_CONTEXT;
 	init_task.thread.kregs = &fake_swapper_regs;
 
+	smp_setup_cpu_possible_map();
+
 	paging_init();
 }