AP_Mount: INS get_sample_rate() renamed to get_loop_rate_hz()

libraries/AP_Mount/SoloGimbal.cpp

@@ -222,7 +222,7 @@ void SoloGimbal::readVehicleDeltaAngle(uint8_t ins_index, Vector3f &dAng) {
 
     if (ins_index < ins.get_gyro_count()) {
         if (!ins.get_delta_angle(ins_index,dAng)) {
-            dAng = ins.get_gyro(ins_index) / ins.get_sample_rate();
+            dAng = ins.get_gyro(ins_index) / ins.get_loop_rate_hz();
         }
     }
 }