[PATCH-next] crypto: aspeed: fix type warnings

[Neal Liu]

> >
> > I cannot tell which way is better. Do you prefer to keep the iomem marker?
> 
> The whole point of iomem is to prevent you from directly dereferencing that
> memory.  So casting it away to remove the warning simply defeats its
> purpose.
> 
> If you're worried about the overhead of readb perhaps you can look into
> readb_relaxed after considering the effects of the barriers.
> 
Thanks for the information. I'll send next patch as you suggested.

-Neal