reproduce (this is a W=1 build):
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch linux-review Christian-Marangi/net-phylink-keep-and-use-MAC-supported_interfaces-in-phylink-struct/20260901-102916
        git checkout linux-review/Christian-Marangi/net-phylink-keep-and-use-MAC-supported_interfaces-in-phylink-struct/20260901-102916
        b4 shazam https://lore.kernel.org/r/20260911072340.107675-1-ansuelsmth@gmail.com

        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=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/net/pcs/airoha/