Crock Pot Smothered Pork Chops

bone-in pork chops (or boneless)1 envelope onion soup mix (1 oz. packet)1 (14 oz.) can chicken broth (lower sodium)1 can (10.5 oz.) cream of chicken Soup (low Sodium)1 envelope dry pork gravy mix (1 oz. packet)1 tsp. garlic powder