Update:

> the April 2010 roadmap lacks the step to 22 nm which is shown by
> these 4 older documents.

Third generation QorIQ has reappeared on the roadmap in January ("22 nm" was changed to "future technology node" though):

http://www.freescale.com/files/netcomm/doc/fact_sheet/QORIQOV.pdf (page 2)