Revert "Find 7 changes: drivers/i2c"

This reverts commit 6a6a28b271797de763f83b23f07deab96c729b2d.

Oppo's changes here were causing all sorts of stability problems, they likely didn't play nice with the new kk_3.5 baseline.

Change-Id: I7c2d5dfc315b16cc6b9b64c66365926a45ad2dae