led: add missing LEDToggle method
led: add missing LEDToggle method

pctj101/embd,dboyliao/embd,gale320/embd,pctj101/embd,kidoman/embd,kidoman/embd,ryancox/embd,dboyliao/embd,gale320/embd,ryancox/embd,gavincabbage/embd,gavincabbage/embd