Revert "delos3geur: update ion"

This reverts commit 45b466504628605dc5931704ca4c0b7f0165853c.
Revert "delos3geur: update kgsl from caf"

This reverts commit 50f9b17e78d5e7c7049c7762eaf04549e988b1d5.
Revert "delos3geur: update kgsl.c"

This reverts commit 924e8ddd53d6cb25c6b890846e35a7344df515d3.