gitlab-ci: build-test the tools as well

Suggested-by: Rob Clark <robclark@freedesktop.org>
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Eric Anholt <eric@anholt.net>

.gitlab-ci.yml

@@ -173,6 +173,8 @@ meson-main:
       -D gallium-opencl=disabled
     GALLIUM_DRIVERS: "iris,nouveau,kmsro,r300,r600,freedreno,svga,v3d,vc4,virgl,etnaviv,panfrost,lima"
     LLVM_VERSION: "7"
+    EXTRA_OPTION: >
+      -D tools=all
 
 meson-clover:
   extends: .meson-build