Add 2nd query to hbRelease script finding commits in release-fips920
Add 2nd query to hbRelease script finding commits in release-fips920

  - A lot of the underlying logic assumes a one branch per FSP
    release stream concept. This is no longer true for
    release-fips920. If the query to release-fips920 fails a 2nd
    query will be performed to the master branch.

  - This should only be temporary as the real change is worked

Change-Id: Ibf8650f3d761444e2b51b61376a9d74c5e3097df
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/59737
Reviewed-by: Sameer R. Veer <1414b61a9ff5b86507f13bff2fb5a037763533c9@us.ibm.com>
Tested-by: Sameer R. Veer <1414b61a9ff5b86507f13bff2fb5a037763533c9@us.ibm.com>
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Reviewed-by: William G. Hoffa <7dd6aa5e78423995d9d7c7ecada5b77ee07f88cc@us.ibm.com>

open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot