load module on rpi

[Zoran Kolic]

So far I made a lot of mistakes. One of them was not
checking secure level. It is 1. So, I cannot load
modules.
The way out seems to be /boot.cfg, but I do not have
it on rpi. Should I make it by the hand?
Like:

load pf

Any idea would it work? I'd like to avoid bricking
the node.
Best regards

Zoran