edac/85xx: Remove deprecated IRQF_DISABLED

Remove IRQF_DISABLED as it is a NOOP.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@men.de>
Link: http://lkml.kernel.org/r/1390293747-11185-1-git-send-email-johannes.thumshirn@men.de


Signed-off-by: Borislav Petkov <bp@suse.de>