Commit aa2fbe6d broke the ARM KVM target by introducing a new parameter
to irq handling functions.

Fix the function prototype to get things compiling again and ignore the
parameter just like we did before
Signed-off-by: NAlexander Graf <agraf@suse.de>
Acked-by: NChristoffer Dall <cdall@cs.columbia.edu>
Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>