Revert "Stick with gcc, not clang"

This reverts commit 51974bc25ec5df8735d8a25729f7b00298438a5b.

PKGBUILD

@@ -104,8 +104,8 @@ if [ -n "${LOCAL_PI_VER}" ]; then
     esac
 else
     echo "Compiling for desktop"
-    #_xcompile_args="CC=clang HOSTCC=clang"
-    _xcompile_args=""
+    _xcompile_args="CC=clang HOSTCC=clang"
+    #_xcompile_args=""
     _config_file="${startdir}/desktop"
     #_config_file="${_kernel_src_dir}/configs/desktop"
 fi