Karol Gugala

@lnsharma can you rebase this and remove the `Merge pull request #1 from lnsharma/add_qlf_k4n8_dev` commit?

This is a different device. This PR adds synthesis for openFPGA generated `qlf_k4n8` chip (and is needed in https://github.com/SymbiFlow/symbiflow-arch-defs/pull/2036 so it can go green). It'd be really good to have...

Sure, we'll pack it into a lib so we can code use this as a plugin