Hi,
requirements to run this demo code can be found in the user manual:
c:\NXP\S32DS_ARM_v2.2\S32DS\software\S32SDK_S32K1xx_RTM_3.0.0\doc\S32SDK_S32K148_UserManual.pdf
See page 96:

Then check user manual for the EVB:
https://www.nxp.com/webapp/Download?colCode=S32K148-UM
See pages 6 and 7.
And finally check the readme file to see where to find documentation and help for lwip stack:
c:\NXP\S32DS_ARM_v2.2\S32DS\software\S32SDK_S32K1xx_RTM_3.0.0\middleware\tcpip\lwip\README
Regards,
Lukas