[VOYAGER] clockevents: correct boot cpu is zero assumption

This isn't true for voyager, so alter setup_pit_timer() to initialise
the cpumask from the current processor id (which should be the boot
processor) rather than defaulting to zero.
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

arch/i386/kernel/i8253.c

@@ -110,7 +110,7 @@ void __init setup_pit_timer(void)
 	 * Start pit with the boot cpu mask and make it global after the
 	 * IO_APIC has been initialized.
 	 */
-	pit_clockevent.cpumask = cpumask_of_cpu(0);
+	pit_clockevent.cpumask = cpumask_of_cpu(smp_processor_id());
 	pit_clockevent.mult = div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC, 32);
 	pit_clockevent.max_delta_ns =
 		clockevent_delta2ns(0x7FFF, &pit_clockevent);