reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        git checkout d7b8f8e20813f0179d8ef519541a3527e7661d3a
        b4 shazam https://lore.kernel.org/r/20250711-ddrperfm-upstream-v2-13-cdece720348f@foss.st.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig
        ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash dtbs_check