Reduce overall voltages and underclock lcd a bit
Emperimental enable sidle modes for uart3
Revert "Emperimental enable sidle modes for uart3"

This reverts commit 0989406a2fd9a426ac6f9def69493c5357067da0.

We disable this for release kernel until we have a working setting here.
Merge branch 'JBX' into JBX_EDISON