gitlab-ci: build swr in meson-main

Now that debugoptimized isn't set and that all test jobs depend on
meson-testing, enabling swr shouldn't slowdown the CI.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a4e9177..4f742d4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -249,7 +249,7 @@
       -D gallium-xa=true
       -D gallium-nine=true
       -D gallium-opencl=disabled
-    GALLIUM_DRIVERS: "iris,nouveau,kmsro,r300,r600,freedreno,swrast,svga,v3d,vc4,virgl,etnaviv,panfrost,lima,zink"
+    GALLIUM_DRIVERS: "iris,nouveau,kmsro,r300,r600,freedreno,swr,swrast,svga,v3d,vc4,virgl,etnaviv,panfrost,lima,zink"
     LLVM_VERSION: "7"
     EXTRA_OPTION: >
       -D osmesa=gallium
@@ -329,7 +329,7 @@
       -D gallium-xa=false
       -D gallium-nine=false
       -D gallium-opencl=disabled
-    GALLIUM_DRIVERS: "swr,iris"
+    GALLIUM_DRIVERS: "iris"
     LLVM_VERSION: "6.0"
 
 meson-clang: