[WIP] scripts: Add script to build QEMU #1886

Job	Run time
Setup	5s
GNU Toolchain aarch64-zephyr-elf (linux-aarch64)	13m 58s
GNU Toolchain aarch64-zephyr-elf (linux-x86_64)	15m 2s
GNU Toolchain aarch64-zephyr-elf (macos-x86_64)	15m 12s
LLVM Toolchain (linux-x86_64)	15m 2s
GNU Toolchain aarch64-zephyr-elf (windows-x86_64)	15m 1s
GNU Toolchain aarch64-zephyr-elf (macos-aarch64)	15m 16s
LLVM Toolchain (macos-x86_64)	15m 29s
Host Tools (macos-aarch64)	7m 0s
LLVM Toolchain (linux-aarch64)	13m 52s
Host Tools (windows-x86_64)	2m 57s
Host Tools (linux-aarch64)	11m 11s
Host Tools (macos-x86_64)	6m 53s
CMake Package (linux-x86_64)	19s
LLVM Toolchain (macos-aarch64)	14m 19s
LLVM Toolchain (windows-x86_64)	14m 54s
CMake Package (macos-x86_64)	14s
CMake Package (windows-x86_64)	20s
CMake Package (macos-aarch64)	1s
Host Tools (linux-x86_64)	14m 45s
CMake Package (linux-aarch64)	48s
Distribution Bundle (${{ matrix.host.name }})	1s
Test (${{ matrix.testenv.name }}, ${{ matrix.toolchain }}) Subset ${{ matrix.subset }}	1s
Test Result	1s
	3h 12m 41s

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