intr_remapping: Fix section mismatch in ir_dev_scope_init()

Fix:

 Section mismatch in reference from the function
 ir_dev_scope_init() to the function
 .init.text:dmar_dev_scope_init() The function
 ir_dev_scope_init() references the function __init dmar_dev_scope_init().

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Youquan Song <youquan.song@intel.com>
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Link: http://lkml.kernel.org/r/20111026161507.GB10103@swordfish


Signed-off-by: Ingo Molnar <mingo@elte.hu>