[PATCH] ucc_geth: Rework the TX logic.

[Scott Wood]

Joakim Tjernlund wrote:
> This is a bit better than the current type casts. Moving over to qe_bd
> accesses is a bigger cleanup that will have to be a seperate patch.
> I am not sure it is an all win as you probably loose the ability
> to read both status and len in one access.

Not if you define the struct to have one status_len field (or a union of 
that with separate fields), as gianfar does.

-Scott