[grub2] (6 commits) ...Merge branch 'f18'

[Peter Jones]

Summary of changes:

  8ea9569... Remove the extra grub_printf.  Woops. (*)
  f2e5630... Various ppc updates. (*)
  1a0dbd0... Rebuild with newer pesign so we'll get signed with the fina (*)
  09ea065... Revert "Rebuild with newer pesign so we'll get signed with 
  66cba4f... Rebuild with newer pesign so we'll get signed with the fina
  2d134a2... Merge branch 'f18'

(*) This commit already existed in another branch; no separate mail sent