llvm: add changed patches

As we noticed in [1] the update script for llvm currently doesn't
properly handle added or removed patches. This can break the llvm build.
Update the script to handle these patches.

[1] git-for-windows/MINGW-packages#132

Signed-off-by: Matthias Aßhauer <[email protected]>

Author: rimrul

update-scripts/version/mingw-w64-llvm

@@ -1,2 +1,3 @@
 #!/bin/bash
-. ./update-clang-from-msys2.sh
+. ./update-clang-from-msys2.sh &&
+git add --all '*.patch'