freedreno/a3xx: Mostly fix min-vs-mag filtering decisions on non-mipmap tex.

This is based on the fix I used for the same problem on V3D.  In this
case, it fixes all but the the
dEQP-GLES2.functional.texture.filtering.2d.*_npot cases of
dEQP-GLES2.functional.texture.filtering.2d.*'s failures.

Acked-by: Rob Clark <robdclark@chromium.org>
2 files changed