Ricardo Pardini 820472d137 extensions: uefi-edk2-rk3588: deploy edk2 (not u-boot) for rk3588 boards ...

- this extension is _100% optional_ and shouldn't adversely affect any builds if not enabled
- requires `UEFI_EDK2_BOARD_ID` to be set in board file, so we know which UEFI/edk2 build to use
- it finds the latest edk2 version from GitHub automatically (currently `v0.9.1`)
- it downloads (and caches) the correct edk2 build image automatically
- if forces certain aspects of the image:
  - must use GPT partitioning
  - must NOT use a separate /boot partition
- it _disables_ the building and deploying of u-boot _completely_ (thus blobs etc are from edk2)
- it creates a GPT `"uboot"` partition pointing to edk2's FIT, required by SPL
- this extension:
  - automatically enables 'grub-with-dtb'
  - automatically enable 'initramfs-usb-gadget-ums', to compensate for lack of ums/rockusb since we dont have u-boot anymore

2023-11-19 22:31:33 +01:00

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