tick: Pass broadcast device to tick_broadcast_set_event()

Pass the broadcast timer to tick_broadcast_set_event() instead of
reevaluating tick_broadcast_device.evtdev.

[ tglx: Massaged changelog ]

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: viresh.kumar@linaro.org
Cc: jacob.jun.pan@linux.intel.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: santosh.shilimkar@ti.com
Cc: linaro-kernel@lists.linaro.org
Cc: patches@linaro.org
Cc: rickard.andersson@stericsson.com
Cc: vincent.guittot@linaro.org
Cc: linus.walleij@stericsson.com
Cc: john.stultz@linaro.org
Link: http://lkml.kernel.org/r/1362219013-18173-2-git-send-email-daniel.lezcano@linaro.org


Signed-off-by: Thomas Gleixner <tglx@linutronix.de>