Fixed GPIO2 value assigned

Hi Takashi,

This fix was GPIO2 value 0x3 change to 0x4. GPIO2 GPIO1 GPIO0 1 0 0 ==> 0x4 ==> GPIO2 HIGH

GPIO2 GPIO1 GPIO0 0 1 1 ==> 0x3 ==> GPIO0 and GPIO1 HIGH

BR, Kailang