Add Ovation back to nightly

Change-Id: I10e8398122a0e6824f06fb5b9e952293df472d4b
build script: we don't need this switch anymore

This option was initialy added to reduce kernel size
on low storage devices (2011 Xperias)

Change-Id: I210e9daf7244c7d9928325464eb3151655e4a25b
Merge "Add Ovation back to nightly" into pac-4.4
Merge remote-tracking branch 'pac/pac-4.4' into pac-4.4