updatehub: Bump revision to 66669fa
updatehub: Bump revision to 66669fa

This includes the following changes:

    - 66669fa Merge pull request #184 from gustavosbarreto/fix_call_stack_order
    - c014bff updatehub: report current state after enter callback
    - 1da5204 updatehub_test: assert that previous state is an error

Signed-off-by: Fabio Berton <698e00bc51ed22392b375ef5a2fc95be5c8355a9@ossystems.com.br>

UpdateHub/meta-updatehub,UpdateHub/meta-updatehub,fbertux/meta-updatehub,fbertux/meta-updatehub,UpdateHub/meta-updatehub,fbertux/meta-updatehub