Soup in a can with a red-and-white Campbell’s label is certainly iconic and trustworthy to many consumers, but it may be losing its relevance with young folks in an age of iPhones and cloud computing. For that reason and others, Campbell Soup Co., Camden, N.J., has rolled out Campbell’s Go! Soup in a microwavable stand-up pouch. Six varieties lean heavily on ethnic cuisine and include Coconut Curry with Chicken and Shitake Mushrooms, Moroccan Style Chicken with Chickpeas, Golden Lent…