Check_MK Werk 1768: brocade_fcport/brocade_info: Only try to discover these services when device provides correct info

ID: 1768 Title: brocade_fcport/brocade_info: Only try to discover these services when device provides correct info Component: Checks & Agents Level: 1 Class: Bug Fix Version: 1.2.7i1 The brocade_fcport and brocade_info checks were discovered on some devices which do not provide the needed information. Improved the scan function to prevent this issue.