reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/cris/linux.git/commit/?id=be715d5b6657e41ce80f4b150a138ee4c5924d97
        git remote add cris https://git.kernel.org/pub/scm/linux/kernel/git/cris/linux.git
        git fetch --no-tags cris scmi_telemetry_ng_V15
        git checkout be715d5b6657e41ce80f4b150a138ee4c5924d97

        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-16.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-16.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/firmware/arm_scmi/