Merge branch 'apple/m1-dependency' into arm/apple-m1

Pull in two dependency branches from the tty and arm64 trees
to make it possible to build all the remaining patches for
the Apple M1 series added next.

* apple/m1-dependency: (61 commits)
  arm64: irq: allow FIQs to be handled
  arm64: Always keep DAIF.[IF] in sync
  arm64: entry: factor irq triage logic into macros
  arm64: irq: rework root IRQ handler registration
  arm64: don't use GENERIC_IRQ_MULTI_HANDLER
  tty: serial: samsung_tty: Add earlycon support for Apple UARTs
  tty: serial: samsung_tty: Add support for Apple UARTs
  dt-bindings: serial: samsung: Add apple,s5l-uart compatible
  tty: serial: samsung_tty: Use devm_ioremap_resource
  tty: serial: samsung_tty: IRQ rework
  tty: serial: samsung_tty: Add s3c24xx_port_type
  tty: serial: samsung_tty: Separate S3C64XX ops structure
  tty: serial: samsung_tty: Add ucon_mask parameter
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>