By Alek Arend Few coaches are capable of having as much success at Notre Dame as Brian Kelly did. That’s what made his departure to LSU this offseason so unsettling for Fighting Irish fans. But Kelly knew he reached his peak in South Bend. Leaving for Notre Dame became a necessary decision. In speaking with The Associated Press on Thursday, Kelly revealed that the real reason he left Notre Dame for LSU is because he feels the Tigers have the resources and facilities to win a national championship. Notre Dame, in his eyes, doesn’t “It’s been awesome because you’ve got incredible facilities, you…