overlay: Introduce some more miscellaneous overlay entries

* Clearly distinguish operator and non-operator overlay configs.
* This would be the base for all operator changes which is taken as
it is from qcom/common project.
* Few duplicate overlays that are already defined in device overlays
are cleaned up.

Issue: FP3-A11#231
Change-Id: I933e409a3c251423c5545403d015b9d4fe524a71
101 files changed