Update securityscanning section in testcases.yaml
Update securityscanning section in testcases.yaml

It follows the next updates of the securityscanning package:
  - Define config.ini as data_file [1]
  - Define security_scan console script [2]

[1] https://gerrit.opnfv.org/gerrit/36635
[2] https://gerrit.opnfv.org/gerrit/36771

Depends-On: I54ffa61f4bcd366c185596056b49e492c88cc78b
Change-Id: I342c00392bb68aad704a89060841eac665e91bdb
Signed-off-by: Cédric Ollivier <d48310251a4a484d041bc5d09a9ac4d86d20f793@orange.com>

opnfv/functest,mywulin/functest,opnfv/functest,mywulin/functest