Request result of rc config upload from IO
Fix how we check for rc config init status
Let's just init the status flag every time we send a config update
Merge remote-tracking branch 'origin/px4io-i2c-throttle' into px4io-i2c-throttle
Merge branch 'px4io-i2c-throttle' of https://github.com/sjwilks/Firmware into px4io-i2c-throttle