2022.05.2: SkiffOS Mainline Release

This mainline release corresponds to Buildroot 2022.05.2.

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Changes since SkiffOS 2022.05.1:

• Buildroot: see Release notes
• Update to GCC 12
• Update Linux to 5.19.6
• Update rpi to 5.15.61
• virt/wsl: fix WSL2 integration
• util/insecure: new package
• apps/crun: new package
• apps/podman: new package
• intel/desktop: enable more GPU drivers
• intel/desktop: add rEFInd EFI bootloader
• intel/desktop: add format and install scripts
• apps/toolbx: new package
• apps/distrobox: new package
• core/fedora: new skiffos core configuration
• allwinner/d1: update opensbi and uboot
• jetson/{tx2,nano}: linux4tegra legacy version

New devices:

• browser/v86: run in emulator in Web Browsers
• modalai/voxl2: new arm64 board
• starfive/visionfive: Riscv64 board
• valve/deck: support for Steam Deck