Re-enable compilation using clang

PKGBUILD

@@ -205,7 +205,7 @@ if [ -n "${LOCAL_PI_VER}" ]; then
     esac
 else
     echo "Compiling for desktop"
-    #_xcompile_args="CC=clang HOSTCC=clang"
+    _xcompile_args="CC=clang HOSTCC=clang"
     #_xcompile_args=""
     _config_file="${startdir}/desktop"
     #_config_file="${_kernel_src_dir}/configs/desktop"