authorization.inc: new header file to keep track of authorize users

This commits aims to make it easier the control/maintenance of
authorized users in the Open CI jobs.

Signed-off-by: Leonardo Sandoval <leonardo.sandoval@linaro.org>
Change-Id: I2d5e2d141f031376bb63f5868df07992926b7493
diff --git a/tf-gerrit-tforg-l2.yaml b/tf-gerrit-tforg-l2.yaml
index 2891f90..e3e6e43 100644
--- a/tf-gerrit-tforg-l2.yaml
+++ b/tf-gerrit-tforg-l2.yaml
@@ -16,15 +16,7 @@
         days-to-keep: 180
         num-to-keep: 180
     - authorization:
-        anonymous:
-          - job-read
-          - job-extended-read
-        lsandov1:
-          - job-read
-          - job-extended-read
-          - job-build
-          - job-cancel
-          - run-update
+        !include: authorization.yaml.inc
     parameters:
         - string:
             name: GERRIT_PROJECT