hurd: global signal disposition patches commited upstream

  * patches/hurd-i386/tg-hurdsig-global-dispositions.diff: Rename to
    git-hurdsig-global-dispositions.diff.
  * patches/hurd-i386/local-hurdsig-globaldisp-version.diff: Rename to
    git-hurdsig-globaldisp-version.diff.
  * patches/hurd-i386/tg-hurdsig-fixes-2.diff: Rename to
    git-hurdsig-fixes-2.diff.
  * patches/hurd-i386/tg-hurdsig-boot-fix.diff: Rename to
    git-hurdsig-boot-fix.diff.
  * patches/hurd-i386/libpthread_sigs.diff: Rename to libpthread_sigs.diff.
  * patches/hurd-i386/local-hurd_sigstate-PLT.diff: Rename to
    git-hurd_sigstate-PLT.diff.