Make irrelevant files for functional/fullstack more accurate

Changes in some files and directories from roles/ and/or playbooks/
directories should trigger also functional and fullstack jobs
as both of them are used in those jobs.

Change-Id: I2708af4ed49f74365292a24a2a7932748d6b0f08
(cherry picked from commit 020f874033)

zuul.d/base.yaml

@@ -23,8 +23,14 @@
       - ^setup.cfg$
       - ^vagrant/.*$
       - ^devstack/.*\.sample$
-      - ^playbooks/.*$
-      - ^roles/.*$
+      - ^playbooks/add_mariadb_repo.yaml
+      - ^playbooks/configure_ebtables.yaml
+      - ^playbooks/dvr-multinode-scenario-pre-run.yaml
+      - ^playbooks/install_nftables.yaml
+      - ^playbooks/multinode-setup.yaml
+      - ^playbooks/prepare-ovn-multinode.yaml
+      - ^roles/add_mariadb_repo/.*$
+      - ^roles/nftables/.*$
       - ^rally-jobs/.*$
       - ^zuul.d/(?!(project)).*\.yaml
     vars:
@@ -78,8 +84,14 @@
       - ^neutron_lib/tests/unit/.*$
       - ^vagrant/.*$
       - ^devstack/.*\.sample$
-      - ^playbooks/.*$
-      - ^roles/.*$
+      - ^playbooks/add_mariadb_repo.yaml
+      - ^playbooks/configure_ebtables.yaml
+      - ^playbooks/dvr-multinode-scenario-pre-run.yaml
+      - ^playbooks/install_nftables.yaml
+      - ^playbooks/multinode-setup.yaml
+      - ^playbooks/prepare-ovn-multinode.yaml
+      - ^roles/add_mariadb_repo/.*$
+      - ^roles/nftables/.*$
       - ^rally-jobs/.*$
       - ^zuul.d/(?!(project)).*\.yaml