Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Freescale Semiconductor/MK61F15WS/CRC/GPOLYLL#0x0
CRC_GPOLYLL register.
POLYLL stores the first 8 bits of the 32 bit CRC
https://github.com/cmsis-svd/cmsis-svd-data