Use the new interfaces. No functional change.

This does not replace the requirement to move x86 to irq domains, but
it limits the mess to some degree.
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Reviewed-by: NGrant Likely <grant.likely@linaro.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/20140507154334.991589924@linutronix.deSigned-off-by: NThomas Gleixner <tglx@linutronix.de>