reproduce (this is a W=1 build):
        git checkout 0b58e108042b0ed28a71cd7edf5175999955b233
        b4 shazam https://lore.kernel.org/r/20240705-hci_qca_refactor-v1-2-e2442121c13e@linaro.org
        # 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 drivers/bluetooth/