Usage: ./opal-gard [-a -e -f <file> -p] <command> [<args>]

-8 --p8
-9 --p9
-0 --p10
	Set the processor generation

-e --ecc
	Force reading/writing with ECC bytes.

-f --file <file>
	Don't search for MTD device, read from <file>.

-p --part
	Used in conjunction with -f to specify that just
	the GUARD partition is in <file> and libffs
	shouldn't be used.

Where <command> is one of:

	list   	List current GARD records
	show   	Show details of a GARD record
	clear  	Clear GARD records
	create 	Create a GARD record