power/reset: axxia: Register with kernel restart handler
power/reset: axxia: Register with kernel restart handler

Register with kernel restart handler instead of setting arm_pm_restart
directly.

Cc: Anders Berg <534ff624e2ef44554e8cd9fda40534927eded760@lsi.com>
Tested-by: Anders Berg <534ff624e2ef44554e8cd9fda40534927eded760@avagotech.com>
Signed-off-by: Guenter Roeck <ba324ca7b1c77fc20bb970d5aff6eea9377918a5@roeck-us.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs