[gnome-continuous] manifest: mesa: disable r600 gallium driver for now

[Javier Jardón Cabezas <jjardon src gnome org>]

commit 817471eb2447123d7f3d39726287d6d3e4fa9c51
Author: Javier Jardón <jjardon gnome org>
Date:   Wed Feb 22 23:34:02 2017 +0000

    manifest: mesa: disable r600 gallium driver for now
    
    It fails with
    ../../../../../src/gallium/drivers/radeon/r600_pipe_common.c:47:34: fatal error: llvm-c/TargetMachine.h: 
No such file or directory
    
    http://build.gnome.org/continuous/buildmaster/builds/2017/02/22/55/build/log-mesa.txt

 manifest.json |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 8de834a..ca1e710 100644
--- a/manifest.json
+++ b/manifest.json
@@ -400,7 +400,7 @@
                      "--enable-gbm",
                      "--enable-xa",
                      "--with-llvm-config-dir=/usr/bin/llvm3.3",
-                     "--with-gallium-drivers=svga,r300,r600,nouveau,swrast,virgl",
+                     "--with-gallium-drivers=svga,r300,nouveau,swrast,virgl",
                      "--enable-llvm",
                      "--with-dri-drivers=nouveau,radeon,r200,i915,i965,swrast"
                      ]},