Spektrum Satelitte bind code ported from Baseflight

includes support for a hardware bind plug (PB5 pin 41)
Activate via OPTIONS="HARDWARE_BIND_PLUG" during make 
Yes you are correct. Need to be fixed. 

Can some guide me where i can read how to update a pull request properly with eclipse or git. Don't want make always new pull request. There looks to be a better way but I did not find it yet?