recovery instructions can be found here:
https://www.digi.com/resources/documentation/digidocs/embedded/dey/3.0/cc6/yocto_t_recover-device_cc6cc6plus
your subject states that you are using:ccimx6 board, however, log shows you are using ccimx8 u-boot image:
u-boot-ccimx8xsbcpro2GB-B0-flash.imx
Those are two completely different platforms