Merge tag 'irqchip-core-4.8' of git://git.infradead.org/users/jcooper/linux into irq/core

Pull irqchip core changes from Jason Cooper:

 - bcm283x avoid handle_IRQ
 - Fix sparse warnings on __iomem
 - Fix static functions
 - Fix missing includes
 - Replace __raw IO accessors to support big endian