Added todays changelog and updated full history
Revert "omap: cpuidle: fix"

This reverts commit d41180f9a6b8eeca1623c900655546ffbeec20f3.
Revert "omap: cpu: cpuidle: correct idle states for exit latency and tresholds"

This reverts commit 8cb77ff0a256dab576e115c3626923280129a8c7.