ClockClass for free-running master
Currently, we set clockClass=52 for free-running (FM) master and the allowed range for FM is 52-122. The clockClass=52 for FM seems wrong. Few changes are needed:
- For FM, set clockClass=68
- For FM, change allowed range to 68-122
make sure that fall-back from clockClass 6 to 7, 7 to 52, etc is correct.
changes needed in Kconfig, assembly_ppsi_conf.sh, ppsi