tf-a-tftf-gerrit-tforg-l2: Add TF_GERRIT_BRANCH, TF_GERRIT_REFSPEC params

For consistency across jobs, to support building with different branches
(mainline/LTS).

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I3995d9e11d9c004794279e33162820c57e4b7822
diff --git a/tf-a-tftf-gerrit-tforg-l2.yaml b/tf-a-tftf-gerrit-tforg-l2.yaml
index 45dbba9..f13792d 100644
--- a/tf-a-tftf-gerrit-tforg-l2.yaml
+++ b/tf-a-tftf-gerrit-tforg-l2.yaml
@@ -33,6 +33,14 @@
             name: GERRIT_CHANGE_NUMBER
             default: ''
         - string:
+            name: TF_GERRIT_BRANCH
+            default: 'refs/heads/integration'
+            description: "Git project branch for Trusted Firmware-A."
+        - string:
+            name: TF_GERRIT_REFSPEC
+            default: '+refs/heads/integration:refs/remotes/origin/integration'
+            description: "Git refspec for Trusted Firmware-A."
+        - string:
             name: TFTF_GERRIT_REFSPEC
             default: ${GERRIT_REFSPEC}
             description: 'Parameter only used by the clone script'
@@ -40,7 +48,7 @@
            name: SPM_REFSPEC
            default: '+refs/heads/master:refs/remotes/origin/master'
            description: |
-             SPM(Hafnium) refspec to use. The master branch is used by default.
+             SPM (Hafnium) refspec to use.
         - string:
             name: CI_REFSPEC
             default: '+refs/heads/master:refs/remotes/origin/master'