Update to 6.12 and libsysfs drop
    
    - Drop libsysfs dependency since it is not used anymore.
    - Remove jitterentropy-remove-install.patch since we depend on a system
      jitterentropy library now.
    - Remove rngd-shutdown.patch since it is the upstream commit 62fbff0a.
    - Remove rngd-exit-code-for-list.patch since it is the upstream commit
      fb46dc48.
    - Remove pkcs11-path.patch since it is the upstream commit 1993eca9.
    
    Signed-off-by: Vladis Dronov <vdronov@redhat.com>