crypto: sun8i-ce-hash - Refine exception handling in sun8i_ce_hash_run()

[Markus Elfring]

>> Two if branches contained duplicate source code.
>> Thus avoid the specification of repeated error code assignments by using
>> additional labels instead.
…
> Now there is one rather opaque label it goes to, so a reader doesn't see
> the error code immediately. And it really just saves one line per case
> here. …
I imagine that such a code refinement can occasionally matter.

Regards,
Markus