Took me a long time on how to create flexible content fields so I thought it would be great to share it. If you have any questions or how to better this code please aks.
http://murray.ac/adding-advanced-custom-fields-flexible-content-fields-to-genesis/
I’m sure this will be a help to others. There are questions about ACF and Genesis and they usually go unanswered because none of the people that use ACF and help out here use Genesis.