Merge tag 'irqchip-4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core

Merge second batch of irqchip updates for 4.13 from Marc Zyngier

- Potential out of bound access for GICv3
- Memory allocation gotcha in the Marvell GICP driver
- Fix openrisc interrupt acknowledgement