ARM64: dts: axxia: the unit-address should match the reg value

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>