Merge branch irq/gic-6.4 into irq/irqchip-next

Merge branch irq/gic-6.4 into irq/irqchip-next

* irq/gic-6.4:
  : .
  : Collection of GIC/GICv3 fixes and cleanups
  :
  : - Workaround for the nvidia T241 chip that gets confused
  :   in 3 and 4 socket configurations, leading to the GIC
  :   malfunctionning in some contexts
  :
  : - Drop support for non-firmware driven GIC configurarations
  :   now that the old ARM11MP Cavium board is gone
  :
  : - Workaround for the Rockchip 3588 chip that doesn't
  :   correctly deal with the shareability attributes.
  : .
  irqchip/gic-v3: Add Rockchip 3588001 erratum workaround
  irqchip/gicv3: Workaround for NVIDIA erratum T241-FABRIC-4
  irqchip/gic: Drop support for board files

Signed-off-by: Marc Zyngier <[email protected]>