I don't know your budget, but you might find something if you keep looking. But in general, you're asking for something that is a bit off the straight and narrow path, and the combination of Carbon, Disc, & Road are somewhat contradictory and one may have to go.
Before you give up, email a few builders, including Richie Sachs, and Chris Igleheart, and others and ask if they know of any. Richard Sachs especially may know of a DB carbon fork made for x-cross but with 1-1/8" steerers since there's so much out there to provide a retrofit market.
__________________
FB
Chain-L site
An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.