samples: defer pin close in gpio sample
samples: defer pin close in gpio sample

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