Preheat oven to 350 F. Line a baking sheet with parchment paper.
In a food processor, pulse oatmeal for a few seconds then add next 5 ingredients & pulse a few more seconds. Add butter; whirl ONLY until mixture resembles coarse crumbs then place in a large bowl. Stir in chopped fruit.
In a small bowl, whisk together sour cream, milk & vanilla. Add to dry mixture blending only until JUST incorporated. Scoop onto baking sheet & bake for 10-12 minutes. Remove from oven & allow to cool slightly.
Vanilla Glaze
In a small bowl, whisk together glaze ingredients until smooth. With a small spoon, drizzle glaze over scones.