omap4-common: enable swapping to zram

Change-Id: Iaa04096b2f77ef59ca6a3bbe0319b659c4bbd696
omap4-common: enable swapping to zram

Change-Id: Iaa04096b2f77ef59ca6a3bbe0319b659c4bbd696
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0