powerpc/smp: Convert NR_CPUS to nr_cpu_ids

nr_cpu_ids can be limited by nr_cpus boot parameter, whereas NR_CPUS is a
compile time constant, which shouldn't be compared against during cpu kick.

Signed-off-by: Santosh Sivaraj <santosh@fossix.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/platforms/cell/smp.c

@@ -115,7 +115,7 @@ static void smp_cell_setup_cpu(int cpu)
 
 static int smp_cell_kick_cpu(int nr)
 {
-	if (nr < 0 || nr >= NR_CPUS)
+	if (nr < 0 || nr >= nr_cpu_ids)
 		return -EINVAL;
 
 	if (!smp_startup_cpu(nr))