Update PX4 Firmware metadata Wed Apr 24 05:10:31 UTC 2019

src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml

@@ -1083,7 +1083,7 @@ This parameter controls the time constant of the decay</short_desc>
     </parameter>
     <parameter default="1" name="EKF2_AID_MASK" type="INT32">
       <short_desc>Integer bitmask controlling data fusion and aiding methods</short_desc>
-      <long_desc>Set bits in the following positions to enable: 0 : Set to true to use GPS data if available 1 : Set to true to use optical flow data if available 2 : Set to true to inhibit IMU bias estimation 3 : Set to true to enable vision position fusion 4 : Set to true to enable vision yaw fusion. Cannot be used if bit position 7 is true. 5 : Set to true to enable multi-rotor drag specific force fusion 6 : set to true if the EV observations are in a non NED reference frame and need to be rotated before being used 7 : Set to true to enable GPS yaw fusion. Cannot be used if bit position 4 is true.</long_desc>
+      <long_desc>Set bits in the following positions to enable: 0 : Set to true to use GPS data if available 1 : Set to true to use optical flow data if available 2 : Set to true to inhibit IMU delta velocity bias estimation 3 : Set to true to enable vision position fusion 4 : Set to true to enable vision yaw fusion. Cannot be used if bit position 7 is true. 5 : Set to true to enable multi-rotor drag specific force fusion 6 : set to true if the EV observations are in a non NED reference frame and need to be rotated before being used 7 : Set to true to enable GPS yaw fusion. Cannot be used if bit position 4 is true.</long_desc>
       <min>0</min>
       <max>255</max>
       <reboot_required>true</reboot_required>