PPC32: add extra do_fork argument to call in __cpu_up

arch/ppc/kernel/smp.c

@@ -389,7 +389,7 @@ int __cpu_up(unsigned int cpu)
 	/* create a process for the processor */
 	/* only regs.msr is actually used, and 0 is OK for it */
 	memset(&regs, 0, sizeof(struct pt_regs));
-	p = do_fork(CLONE_VM|CLONE_IDLETASK, 0, &regs, 0, NULL);
+	p = do_fork(CLONE_VM|CLONE_IDLETASK, 0, &regs, 0, NULL, NULL);
 	if (IS_ERR(p))
 		panic("failed fork for CPU %u: %li", cpu, PTR_ERR(p));