[WIP] scripts: Add script to build QEMU #1885

Job	Run time
Setup	7s
LLVM Toolchain (windows-x86_64)	18m 49s
LLVM Toolchain (linux-aarch64)	18m 56s
GNU Toolchain aarch64-zephyr-elf (linux-x86_64)	15m 10s
LLVM Toolchain (linux-x86_64)	18m 47s
LLVM Toolchain (macos-aarch64)	18m 44s
GNU Toolchain aarch64-zephyr-elf (linux-aarch64)	18m 52s
CMake Package (linux-x86_64)	14m 32s
GNU Toolchain aarch64-zephyr-elf (windows-x86_64)	18m 51s
GNU Toolchain aarch64-zephyr-elf (macos-aarch64)	18m 43s
GNU Toolchain aarch64-zephyr-elf (macos-x86_64)	18m 45s
CMake Package (macos-x86_64)	15s
CMake Package (macos-aarch64)	15s
Host Tools (macos-aarch64)	6m 55s
CMake Package (windows-x86_64)	21s
Host Tools (windows-x86_64)	40s
CMake Package (linux-aarch64)	2m 24s
LLVM Toolchain (macos-x86_64)	11m 16s
Host Tools (linux-x86_64)	18m 33s
Host Tools (macos-x86_64)	9m 2s
Host Tools (linux-aarch64)	13m 32s
Distribution Bundle (${{ matrix.host.name }})	1s
Test Result	1s
Test (${{ matrix.testenv.name }}, ${{ matrix.toolchain }}) Subset ${{ matrix.subset }}	1s
	4h 3m 32s

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