For the bcm6358/6368 SoC the brcm,bmips-cbr-reg due to bootloader
misconfiguration or HW bug from running the system from TP1.
A workaround is now present to handle broken system that suffer from
this bug hence add the now required property.
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202409251520.pE12GzHd-lkp@xxxxxxxxx/
Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>