reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/geoffreybennett/scarlett-gen2/commit/dd8657c33cf1b8145bab99aba647a8791f8f81f2
        git remote add geoffreybennett-scarlett-gen2 https://github.com/geoffreybennett/scarlett-gen2.git
        git fetch --no-tags geoffreybennett-scarlett-gen2 vocaster
        git checkout dd8657c33cf1b8145bab99aba647a8791f8f81f2
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-14 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-14 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash