- Added 32bit efi modules package to boot descriptions
  for openSUSE 12.3 iso | oem and vmxboot
- Fixed 32bit EFI build
  * if secure boot is requested, warn and switch to non
    secure EFI boot. shim only exists for 64bit linux
  * fixed lookup of bootloader stage files. In case of
    32bit EFI the lookup path must be 'i386-efi'