Revert "Revert back to prior zcache version"

This reverts commit 0faec029be6413cdd95255652a9f45546b2027f0.
New modified zcache driver, more non-hotplugging governors for power saving
Merge branch 'JBX_STABLE' into JBX_EDISON
New modified zcache driver, more non-hotplugging governors for power saving