Initial ChaOS setup

Remove the cm.mk and cm.dependencies files, create the cos counterparts, and modify the device lunch combo name to be standard with other CoS devices.

Change-Id: Ic1b0ac59db93c094bce76f3bbb9dd157c718e774
Revert "Override pie control detection region size"

This reverts commit 1d81f8e26cf3e6bc7ad1169296ee8c99a26e5ac3.

This is not used in the CoS framework.