reproduce (this is a W=1 build):
        # https://github.com/krzk/linux/commit/71713ca7000a53bf3fd3fdd2725d3b5a61d31ce0
        git remote add krzk-github https://github.com/krzk/linux
        git fetch --no-tags krzk-github b4/drm-msm-hdmi-eliza
        git checkout 71713ca7000a53bf3fd3fdd2725d3b5a61d31ce0

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash