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: Ia56b5eef524131c5267d2803ba8f081861f47b26
Signed-off-by: Arnav Gosain <nolinuxnoparty@gmail.com>