CI: update YML file

- Add execution of script to generate files with repo versions
- add conditionally syntesis of 18/8 port versions (commented out
  since the gitlab version of ohwr seems too old for it to work)
- enabled permanently 10 port synthesis
- commented out 8 port version for syntesized
Status Job ID Name Coverage
  Syn
passed #14755
xilinx_ISE_14.7
job_scb_top_18p_syn

01:46:30

canceled #14754
xilinx_ISE_14.7
job_scb_top_18p_syn

00:03

canceled #14753
xilinx_ISE_14.7
job_scb_top_18p_syn

00:09

canceled #14749
xilinx_ISE_14.7
job_scb_top_18p_syn

02:51

failed #14748
xilinx_ISE_14.7
job_scb_top_18p_syn