ci: Split out radv build-testing on arm64

radv needs libllvm which increases our ramdisk size
significantly. Since this driver is only build tested,
we can split it out into a separate job.

Signed-off-by: Rohan Garg <rohan.garg@collabora.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3928>
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 653e0d3..30f050c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -341,11 +341,20 @@
     - .meson-arm
     - .ci-deqp-artifacts
   variables:
-    VULKAN_DRIVERS: "freedreno,amd"
+    VULKAN_DRIVERS: "freedreno"
   script:
     - .gitlab-ci/meson-build.sh
     - .gitlab-ci/prepare-artifacts.sh
 
+meson-arm64-build-test:
+  extends:
+    - .meson-arm
+    - .ci-deqp-artifacts
+  variables:
+    VULKAN_DRIVERS: "amd"
+  script:
+    - .gitlab-ci/meson-build.sh
+
 meson-clang:
   extends: .meson-build
   variables: