package/efivar: add upstream post-37 patches fixing efibootmgr -v

package/efivar: add upstream post-37 patches fixing efibootmgr -v

Without this patch, efibootmgr -v errors out:

efibootmgr -v
BootCurrent: 0001
Timeout: 1 seconds
BootOrder: 0001,0002,0000
Boot0000* Diagnostic ProgramCould not parse device path: Invalid argument

vs:

efibootmgr -v
BootCurrent: 0001
Timeout: 1 seconds
BootOrder: 0001,0002,0000
Boot0000* Diagnostic Program    FvVol(5c60f367-a505-419a-859e-2a4ff6ca6fe5)/FvFile(085e8cc2-8ec9-4666-bd2a-49d481e95fa7)
Boot0001* containeros-a HD(1,GPT,1491d519-d9d7-7c4e-9110-4ab21271ac64,0x800,0x20000)/File(\efi\container\boot.efi)

For more details, see:

https://github.com/rhboot/efibootmgr/issues/133
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=963475

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Reviewed-by: Ryan Barnett <ryan.barnett@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>