allow in defconf to set smartmax governor as defalut
delete wrong cpu steps
overclock slimbus for best audio quality!!

-root freq from 11 (24.526MHz) to 31 max (27+MHz)
-clock gear from 7 to 10 (max again)

This will give the best audio quality for the hardware!

Researched and experimented by ZeroInfinity and Poondog