Adreno driver cleanup

* Keep only the current driver in qcom-common and move
  the legacy / not latest versions to the platforms needing it.
* Update makefile call / declare supported OpenGL ES version
  appropriately.

Change-Id: I7b70580638083840aaefb2aee2960218525eb3a5
Merge pull request #7 from CyanogenMod/cm-11.0

Adreno driver cleanup