feat(bus): axi4l over spi and II over spi
Implemented axi4l over spi manager and II over spi subordinate. Compatible with SPI 4 wire interface. Verified both within one test bench.
Porting desy_lib_svn components:
- spi_4w_m
- ii_sync
Extending conversion functions for desy_rdl compatibility
Edited by Lukasz Butkowski