freedreno/ci: Increase the concurrency of sm8350-hdk

The sm8350-hdk has 8 threads and 12 GB of RAM, which allows increasing
`FDO_CI_CONCURRENT` to 9 to speed up all its jobs.

Signed-off-by: Valentine Burley <valentine.burley@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35939>

src/freedreno/ci/gitlab-ci-inc.yml

@@ -264,7 +264,7 @@
     BOOT_METHOD: fastboot
     DEVICE_TYPE: sm8350-hdk
     DTB: sm8350-hdk
-#   FDO_CI_CONCURRENT: ?
+    FDO_CI_CONCURRENT: 9
     # Increase the hangcheck timer for our spilling tests which bump up against
     # the .5s default.
     FREEDRENO_HANGCHECK_MS: 2000

src/freedreno/ci/gitlab-ci.yml

@@ -243,7 +243,6 @@ a660-gl-cl:
   variables:
     DEQP_SUITE: freedreno-a660
     HWCI_START_WESTON: 1
-    FDO_CI_CONCURRENT: 9
 
 a660-vk:
   extends: