zephyr/uart_core: Update for removal of CONFIG_UART_CONSOLE_ON_DEV_NAME
zephyr/uart_core: Update for removal of CONFIG_UART_CONSOLE_ON_DEV_NAME

Zephyr recently removed that config symbol, suggesting to rely on
devicetree instead.

Change-Id: Ia2785ad00ad80f931061bd84dbcabba896b626af
Signed-off-by: Paul Sokolovsky <9dc5061f178bb11813e14f1ed02ba27eaf21fa5d@users.sourceforge.net>

pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython