vcl: configure the cert-key pair from app
vcl: configure the cert-key pair from app

add the cert/key pair as selected by app.

Type: fix

Signed-off-by: Sivaprasad Tummala <dc275e46b00678c3ed54e917eaf2f10844e48ac4@intel.com>
Change-Id: I3cef5bebadd8b192a65857d5f4aa6883c2a8d372

chrisy/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,FDio/vpp,FDio/vpp