meta-freescale

This commit merge tag v4.9.21 into 4.9.x+fslc and add the
following change on top:

  - b69ecd63c123 dt-bindings: Add a binding for Video Data Order Adapter

Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>