michaelg/dev: links for litex-kernel

root/pypi litex_kernel-0.1.8.tar.gz
root/pypi litex_kernel-0.1.8-py3-none-any.whl
root/pypi litex_kernel-0.1.1.tar.gz
root/pypi litex_kernel-0.1.1-py3-none-any.whl
root/pypi litex_kernel-0.1.0b0.tar.gz
root/pypi litex_kernel-0.1.0b0-py3-none-any.whl