si5324 driver in runtime should be now equal in function to the one in artiq.
kasli-soc has no way of doing a hard reset on the peripheral, but zc706 does.
Reviewed-on: #132
Co-authored-by: mwojcik <mw@m-labs.hk>
Co-committed-by: mwojcik <mw@m-labs.hk>
