* Unite half-duplex and full-duplex serial driver.
* Add full duplex operation mode to the interrupt based driver
* Delete DMA UART based full duplex driver
* The new driver targets #11930
* Fix freezes with failing transactions in half-duplex
* Increase default serial TX/RX buffer size to 128 bytes
* Correctly use bool instead of size_t
Co-authored-by: Nick Brassel <nick@tzarc.org>
Stefan Kerkmann
James Young