[mesa/f16] (2 commits) ...mesa-7.11-generic-wmb.patch: Add generic write memory barrier macro for non-PC arches.

[Adam Jackson]

Summary of changes:

  eb9de72... Add khrplatform-devel subpackage so {EGL,GLES}-devel are us (*)
  86c94f9... mesa-7.11-generic-wmb.patch: Add generic write memory barri (*)

(*) This commit already existed in another branch; no separate mail sent