imx8: Simplify udev rules setup
Make the udev rules setup commands work on most distros and not only Debian derivates, suppressing the need for a note which was later, where users stuck by non-working commands would likely not read.
Make the udev rules setup commands work on most distros and not only Debian derivates, suppressing the need for a note which was later, where users stuck by non-working commands would likely not read.