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-a-builder.yaml b/tf-a-builder.yaml
index 026c785..135951e 100644
--- a/tf-a-builder.yaml
+++ b/tf-a-builder.yaml
@@ -51,17 +51,7 @@
             days-to-keep: 180
             num-to-keep: 3000
         - authorization:
-            anonymous:
-              - job-discover
-              - job-read
-              - job-extended-read
-              - job-workspace
-            lsandov1:
-              - job-read
-              - job-extended-read
-              - job-build
-              - job-cancel
-              - run-update
+            !include: authorization.yaml.inc
     parameters:
         - string:
             name: import_cc