I returned only the old sof-cfl.ri (which is a symbolic link to "signed/sof-cnl-signed-intel.ri") and tried to boot 5.9.0-rc2+ and it froze.
I returned only the old sof-cfl.ri (which is a symbolic link to "signed/ sof-cnl- signed- intel.ri" ) and tried to boot 5.9.0-rc2+ and it froze.