CHARLOTTE, N.C. — Dave Canales’ dream was to be the head football coach at his high school. After two seasons as the offensive coordinator at his alma mater in California, he realized that running a football program was all he wanted to do. The Carson High School gig was more than enough for Canales, but his wife, who worked three different jobs at times, encouraged him to make it as far as this coaching journey could take him. “This is our journey,” an emotional Canales said Thursday, looking at his wife, Lizzy. “This is our dream.” Canales, 42, was introduced as the Carolina Panthers’ head …