Some callers of __irq_set_trigger() masks all flags except trigger mode
flags. This is unnecessary, ase __irq_set_trigger() already does this
before usage of flags.

[ tglx: Moved the flag mask and adjusted comment. Removed the hunk in
  	enable_percpu_irq() as it is required there ]
Signed-off-by: NAlexander Kuleshov <kuleshovmail@gmail.com>
Link: http://lkml.kernel.org/r/20160719095408.13778-1-kuleshovmail@gmail.comSigned-off-by: NThomas Gleixner <tglx@linutronix.de>