Arrange eggplant in a vegetable steamer. Steam, covered, 5 minutes, or until eggplant is tender; set aside.
Whisk broth and next 5 ingredients (through paste) in a bowl.
Heat oil in a large nonstick skillet or wok over medium-high heat. Add garlic and ginger; stir-fry 30 seconds. Add pork; stir-fry 2 minutes, or until pork loses its pink color. Add eggplant and salt; stir in the broth mixture. Cover; reduce heat, and simmer 5 minutes.