Add efibootkey

[demitriusbelai]

Add efibootkey command for add hot keys to boot options.

Spec: https://uefi.org/specs/UEFI/2.10/03_Boot_Manager.html#launching-boot-load-options-using-hot-keys

Command line arguments:

Arg	Description
-b | --bootnum XXXX	Hot key for BootXXXX
-k | --key CODE	Code of Key, can repeat for more than one
--alt	Alt must be pressed
--shift	Shift key must be pressed
--ctrl	Control key must be pressed
--logo	Logo key must be pressed
--menu	Menu key must be pressed
--sysreq	SysReq must be pressed
-l | -- list	List Hot Keys
-B | --delete-keynum	Delete Hot Key
-n | --keynum XXXX	Use KeyXXXX

Examples

Verifing if hot key is supported:

efibootkey --support

If I want use F1 to boot Boot0001:

efibootkey -b 1 -k F1

'l' to boot Boot0000:

efibootkey -b 0 -k l

List hot keys:

efibootkey --list

Now, delete the hot key:

efibootkey -B -n 1