Revert "piranha: Remove unsupported device"

This reverts commit 6e3bb32208af2517b7d5d2703e2431a07545a913.

Piranha is omap driver of superior, so it should be added.
Merge pull request #457 from ljzyal/cm-11.0

piranha: readd piranha which is needed by superior
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0