However, i see issues while using efibootmgr
root@genericarmv8:~# efibootmgr -V
version unknown (fix Makefile!)
root@genericarmv8:~# efibootmgr -a
Fatal: Couldn't open either sysfs or procfs directories for accessing EFI variables.
Try 'modprobe efivars' as root.
--Sandeep