Hi,
MPC577xK and successors S32R have Radar Processing modules / Signal Processing Toolbox, so there's SPT toolkit supporting this hardware. S32K14x is not intended for radar applications, there's no such HW support. Instead of that, there's:
https://www.nxp.com/design/automotive-software-and-tools/nxp-automotive-math-and-motor-control-libra...
It is also included in S32 Design Studio.
Regards,
Lukas