kconfigcheck: add NLS_ASCII for all kernels
We want to require this for all kernels since some devices require FAT for the boot partition and don't use EFI, and we now default to mounting FAT with the ASCII charset.
Also see:
We want to require this for all kernels since some devices require FAT for the boot partition and don't use EFI, and we now default to mounting FAT with the ASCII charset.
Also see: