doc: release: 3.7: Add notes on various changes

Adds notes on various changes that have been made to LED strip
and sensors

Signed-off-by: Jamie McCrae <spam@helper3000.net>

doc/releases/release-notes-3.7.rst

@@ -702,6 +702,13 @@ Drivers and Sensors
   * The ``chain-length`` and ``color-mapping`` properties have been added to all LED strip
     bindings.
 
+  * The length of a strip is now checked before updating it, an error is returned if the provided
+    data is too long.
+
+  * A length function has been added which returns the length of the LED strip
+    (:c:func:`led_strip_length`).
+
+  * The update channels function is now optional and can be left unimplemented.
 
 * LoRa
 
@@ -844,6 +851,9 @@ Drivers and Sensors
     * Added DHT20 digital-output humidity and temperature sensor driver
       (:dtcompatible:`aosong,dht20`).
 
+    * Added :kconfig:option:`CONFIG_DHT_LOCK_IRQS` for the dht11 driver which allows for locking
+      interrupts during sensor reading to prevent issues with reading the sensor.
+
   * Bosch
 
     * Updated BME280 to the new async API.
@@ -877,6 +887,11 @@ Drivers and Sensors
     * Added support for STM32 Digital Temperature Sensor (:dtcompatible:`st,stm32-digi-temp`).
     * Added IIS328DQ I2C/SPI accelerometer sensor driver (:dtcompatible:`st,iis328dq`).
 
+  * TDK
+
+    * Added support for the MPU6500 3-axis accelerometer and 3-axis gyroscope sensor to the
+      MPU6050 driver.
+
   * TI
 
     * Added TMP114 driver (:dtcompatible:`ti,tmp114`).