gitlab-ci: add jobs for Raspberry Pi 64b images

Create rpi64 APT and ostree minimal unified images.

Signed-off-by: Denis Pynkin <denis.pynkin@collabora.com>

.gitlab-ci.yml

@@ -150,6 +150,11 @@ include:
     architecture: arm64
     board: uboot
 
+.arm64-rpi64:
+  variables:
+    architecture: arm64
+    board: rpi64
+
 ######
 # stage: preparation
 
@@ -465,6 +470,15 @@ ostree-image-build-arm64-minimal-uboot:
     - prepare-build-env
     - ostree-commit-arm64-minimal-uboot
 
+ostree-image-build-arm64-minimal-rpi64:
+  extends:
+    - .ostree-image-build
+    - .arm64-rpi64
+    - .minimal
+  needs:
+    - prepare-build-env
+    - ostree-commit-arm64-minimal-uboot
+
 ostree-image-build-amd64-target-uefi:
   extends:
     - .ostree-image-build
@@ -510,6 +524,15 @@ apt-image-build-arm64-minimal-uboot:
     - prepare-build-env
     - ospack-build-arm64-minimal
 
+apt-image-build-arm64-minimal-rpi64:
+  extends:
+    - .apt-image-build
+    - .arm64-rpi64
+    - .minimal
+  needs:
+    - prepare-build-env
+    - ospack-build-arm64-minimal
+
 apt-image-build-amd64-target-uefi:
   extends:
     - .apt-image-build
@@ -605,6 +628,8 @@ artifacts-upload-arm64-minimal-uboot:
     - ostree-rollbackbundle-build-arm64-minimal-uboot
     - ostree-image-build-arm64-minimal-uboot
     - apt-image-build-arm64-minimal-uboot
+    - ostree-image-build-arm64-minimal-rpi64
+    - apt-image-build-arm64-minimal-rpi64
 
 artifacts-upload-amd64-target-uefi:
   extends: