locore.S - two cosmetic changes

[Kristof Provost]

On 26 Oct 2020, at 7:23, Antonin Houska wrote:
> Hello,
>
> while trying to understand the code, I've spotted two things that 
> might need
> to be improved - please see the attachments.
>
> remove_useless_assignment.patch removes setting of register value 
> which is not
> used until the next value is set. use_constant_not_literal.patch 
> probably
> needs no explanation.
>
That’s gone in as in r367078. Thanks!

Kristof