hammerhead: Better mount options to improve performance

Change-Id: I18f7165c2ff8547b7968d946336d948fe30522b1
hammerhead: Use interactive governor in recovery

Replace perfomance by interactive cpu governor which allows for frequency
scaling. Presently we are only using one compression thread, as this may
change in the future, use it for all available cpus.

Change-Id: I8008144d8ef74b30af9a270fbb1d4b1f0353fc7e
Compile with OmniSwitch

Change-Id: I51897371d91421ae8c1d1e16fa06180e6d3bc7a2