From experience in dev, there are multitudes here with learning disabilities of many different kinds. Without knowing more specifics, I'd say just about anything is open to someone from a wide range of learning disabled backgrounds. Personally, I'd recommend a person with a learning disability particularly focus on what he or she is intensely interested in. It's generally a good idea, but intense interest can help push through a lot of challenges, from my own experience.
got a friend who has a severe case of ADHD and I think he has a learning disability. He never goes deep on anything just learns the basics only then is defeated. I'm just curious if he'd be better in a customer facing role or something.
As a person with ADHD, no. Customer facing would be bad.
The intense interest thing may be of help then. Getting over the activation hump can be challenging, otherwise. Pair programming might help with difficulty investing into learning things, as well.
I know a couple of devs with dyslexia, their variable naming/spelling is pretty atrocious but they are stellar engineers.
Learning disability is a too wide term to answer your question.