UAVOFrSKYSPortBridge: fixed bug in state FRSKY_STATE_WAIT_TX_DONE

Receiver ignored one more byte than neccessary (poll request byte of
consequent poll) and therefore effectively reduced bandwidth by 50%
UAVOFrSKYSPortBridge: appended more sensor IDs to which we response

It's increasing bandwidth by approx. 20%. Pretty responsive now.
Merge branch 'frskysport' into draco
draco: OSDEnable in HWDraco UAVO now controls whether whole OSD task should run or not