Plane: update release notes for 4.0.2

ArduPlane/release-notes.txt

@@ -1,5 +1,5 @@
-Release 4.0.2beta3, 23th December 2019
---------------------------------------
+Release 4.0.2, 30th December 2019
+---------------------------------
 
 This is a minor release with a few bug fixes and enhancements. Changes
 are:
@@ -12,55 +12,25 @@ are:
  - fixed bootloader flash alignment bug
  - fixed PWM 5 and 6 for MatekF765-Wing
  - support RM3100 compass on I2C
-
-Happy flying!
-
-Release 4.0.2beta2, 16th December 2019
---------------------------------------
-
-This is a minor release with a few bug fixes and enhancements. Changes
-are:
-
  - fixed error on AHRS level trim in preflight calibration
-
  - fixed handling of SB without BUSY on I2Cv1 devices
-
  - update bootloaders to be more robust to unexpected data
-
-Happy flying!
-
-Release 4.0.2beta1, 9th December 2019
--------------------------------------
-
-This is a minor release with a few bug fixes and enhancements. Changes
-are:
-
  - added new COMPASS_SCALE parameters and estimator to fix issue with
    compass in Here2 GPS
-
  - fixed issue with millis wrap on boards with 16 bit system timer
    (MatekF405, MatekF765, speedybeef4 and KakuteF4)
-
  - fixed i2c internal masks for several boards
-
  - fixed scaling of Blheli32 RPM conversion
-
  - changed to WFQ FrSky telemetry scheduler
-
  - enable LED pin on MatekF765
-
  - added params for Durandal battery monitor pins to param docs
-
  - updated bootloaders to reduce change of line noise stopping boot
-
  - fixed DMA error causing memory corruption in ChibiOS I2C driver
-
- - fixed param conversion from plane 3.9.x to plane 4.0.x for
-   rangefinders
-
+ - fixed param conversion from plane 3.9.x to plane 4.0.x for rangefinders
  - cope with UAVCAN GPS that doesn't provide AUX messages (Here2 GPS)
-
  - send temperatures for IMUs on mavlink
+ - fixed I2C clock speed error on STM32H7
+ - fixed CR/LF output error for NMEA output
 
 Happy flying!