Use proper CLK_SRC_ signals instead of hardcoded 0 & 1
NEW FIRMWARE 3.3: reworked loop trigger delay calculation in NIOS
Module test shoudl run faster by at least a factor 2 now, made possible
by the new DESER400 which just works. Version bumped to 1.4.6
Merge branch 'master' of github.com:psi46/pxar