Setting any stdenv.system references for the loongson2f system to 'mips64-linux'.

(my git-svn info:)
Merge branch 'mips64' into stdenv-updates

Conflicts:
	pkgs/applications/networking/browsers/firefox/3.6.nix
	pkgs/top-level/all-packages.nix

svn path=/nixpkgs/branches/stdenv-updates/; revision=23588

pkgs/development/libraries/mesa/default.nix

@@ -14,7 +14,7 @@ stdenv.mkDerivation {
 
   configureFlags =
     "--disable-gallium"
-    + (if stdenv.system == "ict_loongson-2_v0.3_fpu_v0.1-linux" then
+    + (if stdenv.system == "mips64-linux" then
       " --with-dri-drivers=swrast --with-driver=dri" else "")
     + (if stdenv.isDarwin then " --disable-egl" else "");