Details at https://github.com/rhinstaller/efibootmgr/issues/61.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[Thomas: efivar still doesn't build on musl, so same for efibootmgr.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
