arm64: update GIC interrupt controller driver to v5.18 level
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2083380
Depends: https://bugzilla.redhat.com/show_bug.cgi?id=2076088
Update GIC interrupt controller driver to v5.18 level. This also touches some generic interrupt code.
Signed-off-by: Mark Salter msalter@redhat.com
Edited by Mark Salter