arm64: dts: apple: t6020-j474s: Add dp-altmode hacks

DP alt mode for Mac Mini M2 Pro, the blessed port is the back right
middle port (second closest USB-C port to the power connector).

Signed-off-by: Janne Grunau <j@jannau.net>

Tagging asahi-6.18.5-1

- rebase onto v6.18.5
- mark hibernation as unavailable
- update macsmc-power to handle smc 26.x fw
- add missing RUST_FW_ABSTRACTION dependency for aop_als

This is the 6.18.5 stable release

Tagging asahi-6.18.4-1

- initial rebase onto v6.18.x
- Switch to upstream USB Type-C implementation (code is in linux-next),
  fixups and device tree changes are sent
- DCP cleanups, fixes and improvements
  - ARGB2101010 support
  - YCbCr support
  - fixed suspend/resume for Macbook Pro HDMI output
  - 120Hz mode for 14/16-inch Macbook Pros
  - consolidated all drivers in single appledrm module
  - refactor kms plane / dcp surface handling
  - relaxed locking for internal backlight control
  - removed hacks for DP only atc phy mode to drive the HDMI output of
    14/16-inch Macbook Pros
- rebase on newer gem-shmem rust abstractions
- switched gpuvm single-page/repeat support to panthor patches
- aop: prepartions for als support

This is the 6.18.4 stable release

This is the 6.18.3 stable release

This is the 6.18.2 stable release

Tagging asahi-6.17.12-1

-rebase onto v6.17.12

This is the 6.18.1 stable release

This is the 6.17.12 stable release