Merge branch irq/parent_device into irq/irqchip-next

* irq/parent_device:
  : .
  : Move irq_chip::parent_device to irq_domain::dev to track the
  : PM state of the device implementing the irqchip.
  : .
  genirq: Kill irq_chip::parent_device
  pinctrl: starfive: Move PM device over to irq domain
  pinctrl: npcm: Fix broken references to chip->parent_device
  gpio: tpmx86: Move PM device over to irq domain
  gpio: rcar: Move PM device over to irq domain
  gpio: omap: Move PM device over to irq domain
  gpio: mt7621: Kill parent_device usage
  irqchip/imx-intmux: Move PM device over to irq domain
  irqchip/renesas-irqc: Move PM device over to irq domain
  irqchip/renesas-intc-irqpin: Move PM device over to irq domain
  irqchip/gic: Move PM device over to irq domain
  genirq: Allow the PM device to originate from irq domain

Signed-off-by: Marc Zyngier <maz@kernel.org>