power/reset: xgene: Return -ENOMEM if out of memory
power/reset: xgene: Return -ENOMEM if out of memory

It is customary to return an error code of -ENOMEM if the system
is out of memory. Also, in that case, the infrastructure will report
an error, so it is unnecessary to report it again.

Cc: Loc Ho <91d2e73f5194f86f4bd9c3676b147e83b71322eb@apm.com>
Signed-off-by: Guenter Roeck <ba324ca7b1c77fc20bb970d5aff6eea9377918a5@roeck-us.net>

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