Pull x86 boot update from Ingo Molnar:
 "Modernize the genimage.sh script, add a 'hdimage' target and EFI
  support"

* tag 'x86-boot-2021-06-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/boot: Modernize genimage script; hdimage+EFI support