arm: dts: axxia: the unit-address should match the reg value

commit 16ec38ed from
https://github.com/axxia/linux-yocto.git

 v5.10/standard/axxia-dev/base.

Change all unit-address for cpus to match the reg value.

Reported-by: Mikael Beckius <mikael.beckius@windriver.com>
Signed-off-by: Quanyang Wang <quanyang.wang@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Liwei Song <liwei.song@windriver.com>