[shim] (4 commits) ...Use the right hash command line.

[Peter Jones]

Summary of changes:

  345b99e... Don't allow mmx or sse during compilation. (*)
  fca313b... Don't allow mmx or sse during compilation. (*)
  6e8ffa5... Require gnu-efi-3.0q for now. (*)
  b038901... Use the right hash command line. (*)

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