potfile wpa format/derivation

[philsmd]

To be honest, when I wrote that I believed that we had added a whole paragraph about the new -m 22000 format here: https://hashcat.net/forum/thread-9303.html (but we only mentioned that WPA-PBKDF2-PMKID+EAPOL was added).

I guess the best resource for now is this: https://github.com/hashcat/hashcat/issues/1816 where the format was discuessed