man clr-boot-manager covers the configuration options towards the bottom.
Essentially create a file in path /etc/kernel/cmdline.d/*.conf and the contents of that file will be added to the kernel cmdline after each kernel update.
To update the kernel parameters for next boot you’ll need to run this for it to take effect.
clr-boot-manager update
Via cat /proc/cmdline you can verify whether the new kernel parameter has been applied after boot.