Update notes for submitted changes

* defconfigs: mogami/zeus: Update for RPC changes
* msm: mogami/zeus: Remove has_outer_cache flag
* msm: Add a separate config option for RPC PMAPP and RPC USB
* msm: pmic: Add a separate config option for PMIC over RPC
* defconfigs: Enable PMEM->ION wrapper
* mogami/zeus: Add PMEM->ION wrapper changes.