Revert "Added GPU stuff from mathkid95"

This reverts commit c460f1589ea9df2c0c8b0feb59765754379bb488.
Revert "gpu: pvr: reduce load on SGX MMU to improve stability."

This reverts commit 8d40c980a26925b67a3978c239c0b7ddeb5a3ade.
Updated defconfig and added LMK from sultan-kernel-faux-seb-ION