~ruther/vhdl-spi-2

ref: c64223e8aaecf7140bdd0ad7d1ff8f6b06f85425 vhdl-spi-2/hdl_spi d---------
d990ecaa — Rutherther 8 months ago 
feat: implement masterslave spi switch peripheral
dc0e370a — Rutherther 9 months ago 
feat: implement initial hdl_spi