reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        git remote add jic23-iio https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
        git fetch jic23-iio togreg
        git checkout jic23-iio/togreg
        b4 shazam https://lore.kernel.org/r/SN7PR12MB81019AB7F38806097F2C8A34A4F22@SN7PR12MB8101.namprd12.prod.outlook.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/iio/proximity/