ESP WiFi GPIO Output Register

Number	TBRegisterNumber::$A8
Readable	TBRegisterReadable::Yes
Writable	TBRegisterWritable::Yes
Short Description	ShortDesc::ESP WiFi GPIO Output

(soft reset = 0)

   bit 2 = GPIO2 output enable (fixed at 0, GPIO2 is read-only)
   bit 0 = GPIO0 output enable

(new register since core3.1.0)