Add configs for RHEL 9 image

With this patch, We are addding config files
for RHEL9 image build.

Config for C9 was added in [1].

[1] https://review.opendev.org/c/openstack/tripleo-common/+/806018

Change-Id: Ic4b93138747003819d8a08eda1571f2133ad8d8d

image-yaml/overcloud-hardened-images-uefi-rhel9.yaml

@@ -0,0 +1,18 @@
+disk_images:
+  -
+    imagename: overcloud-hardened-uefi-full
+    type: qcow2
+    distro: rhel
+    release: 9
+    elements:
+      - interface-names
+    packages:
+      - rhosp-release
+  -
+    imagename: ironic-python-agent
+    type: qcow2
+    distro: rhel
+    release: 9
+    elements:
+      - selinux-permissive
+      - interface-names

image-yaml/overcloud-images-ceph-rhel9.yaml

@@ -0,0 +1,10 @@
+disk_images:
+  -
+    imagename: overcloud-ceph
+    type: qcow2
+    distro: rhel
+    release: 9
+    elements:
+      - interface-names
+    packages:
+      - rhosp-release

image-yaml/overcloud-images-rhel9.yaml

@@ -0,0 +1,22 @@
+disk_images:
+  -
+    imagename: overcloud-full
+    type: qcow2
+    distro: rhel
+    release: 9
+    elements:
+      - interface-names
+    packages:
+      - rhosp-release
+    environment:
+      FS_TYPE: xfs
+    options:
+      - "--mkfs-options '-s size=4096'"
+  -
+    imagename: ironic-python-agent
+    type: qcow2
+    distro: rhel
+    release: 9
+    elements:
+      - selinux-permissive
+      - interface-names