[oe] Revert Request for linux -> linux-gnu changes

[Steffen Sledz]

Graeme Gregory wrote:
> But it is becoming clear that the linux -> linux-gnu change is throwing
> up many issues for arches != linux-gnueabi. Partial fixes have been
> implemented but for every fix another issue seems to pop up.
> 
> I suggest these changes should be reverted, placed in a branch and
> properly merged at a later date after proper review.

+1