fix reset on all efinix boards.
To reset the PLL a pulse is needed, which
has to be driven by a clock that is
not generated by the PLL.
Signed-off-by: Fin Maaß <f.maass@vogl-electronic.com>
* This works: efinix_xyloni_dev_kit.py --cpu-type None --build --load --flash
* issues with SPIflash - wrong generation for tristates miso mosi for
some reason
Fin Maaß
Florent Kermarrec
Andrew Dennison