doc: release: 2.7: add release notes for serial

Add release notes for serial/UART drivers based on commit
history.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2021-09-29 07:47:17 -07:00 committed by Christopher Friedt
commit 3eb85f5cf2

View file

@ -347,6 +347,11 @@ Drivers and Sensors
* Serial * Serial
* Added kconfig to disable runtime re-configuration of UART
to reduce footprint if so desired.
* Added ESP32-C3 polling only UART driver.
* Added ESP32-S2 polling only UART driver.
* Added Microchip XEC UART driver.
* SPI * SPI