It's disabled from starting at boot but one of the steps fwconsole restart is to try to initialize it in some way before continuing...
Unfortunately what it does here is not enough to get things working when you have a card which needs those drivers, I tried... 
I was hoping to find another way to avoid my slow boot and have everything working...
I noticed and replied within seconds of your post I think...
Whatever it does here is not enough to get things working for me with a card which needs those drivers...
I would not worry about it unless it causes you issues...
Do keep in mind that it's a workaround, a more proper fix will have to be found by the FreePBX devs...
Good luck and have a nice day!
Nick