Merge branch 'irq/for-gpio' into irq/core

Merge the request/release callbacks which are in a separate branch for
consumption by the gpio folks.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --cc drivers/irqchip/irq-orion.c
Simple merge

diff --cc kernel/irq/manage.c
Simple merge