Update notes for submitted changes

* cpuboost: Add hotplug boosting
* mondrianwifi: mdss: Add back Samsung's pipe cleanup
* mondrianwifi: We don't use mdp3
* msm: mdss: Don't call pan_idle for MSMFB_OVERLAY_PREPARE ioctl
* msm: mdss: update pipe params on first update after suspend
* msm: mdss: Move splash thread functionality
* mdss: fb: Add backward compatibility to fb memory