The GICH_HCR description is missing a bunch of control bits that
control the maintenance interrupt. Add them.
Tested-by: Fuad Tabba <tabba@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Tested-by: Mark Brown <broonie@kernel.org> Link: https://msgid.link/20251120172540.2267180-2-maz@kernel.org Signed-off-by: Oliver Upton <oupton@kernel.org>