Various bug fixes
- Fix grub.cfg boot counting snippet generation (lorbus)
- Fix spurrious allocation error reporting on EFI boot
- Stop doing TPM on BIOS *again*. It just doesn't work.
- Make blscfg module loadable on older grub2 i386-pc and powerpc-ieee1275
- Fix execstack cropping up in grub2-tools
- Ban stack trampolines with compiler flags.
Signed-off-by: Peter Jones <firstname.lastname@example.org>