Place peppercorns in pepper mill. Twist pepper mill 8 to 10 times over a small dish. Add sage and ginger. Rub evenly on both sides of pork chops.
Heat oil in large nonstick skillet on medium-high heat. Add chops; cook 5 to 6 minutes per side or until desired doneness. Remove chops from skillet; cover with foil to keep warm. Add mushrooms to skillet; cook and stir 5 minutes.
Stir in broth, vinegar, maple syrup, thyme and garlic powder, scraping browned bits from bottom of skillet. Reduce heat to medium; simmer 5 to 10 minutes or until sauce begins to thicken. Spoon over chops to serve.