openrisc: Convert handle_IRQ to use __handle_domain_irq In order to limit code duplication, convert the architecture specific handle_IRQ to use the generic __handle_domain_irq function. Signed-off-by: Marc Zyngier <[email protected]> Acked-by: Stefan Kristiansson <[email protected]> Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Jason Cooper <[email protected]>