This recommended update for shim-TW fixes the following issues:

- acquired updated signature from Microsoft

- Add shim-bsc950569-fix-cryptlib-va-functions.patch to fix the
definition of va functions to avoid the potential crash
(boo#950569)
- Update shim-opensuse-cert-prompt.patch to avoid setting NULL to
MokListRT (boo#950801)
- Drop shim-fix-mokmanager-sections.patch as we are using the
newer binutils now
- Refresh shim-change-debug-file-path.patch