I can tell you on the Dream (Don't know about the Wish) this past December they did not have Skywalker wine in the concierge lounge. There were a couple of ok wines, and several $10 bottle of wines available. The liquor offerings were much better with quite a few top shelf spirits.
With that said though, I had an amazing bottle of Skywalker Pinot Noir in Palo for dinner. I never had Skywalker before. Now I have a few bottles of Skywalker Pino Noir and a couple bottles of Skywalker Chardonnay in my wine fridge at home.