[PATCH v2] tty: serial: atmel: add earlycon support

[Michael Walle]

Am 2022-02-17 10:46, schrieb Michael Walle:
> Add early console support which relies on the bootloader for the
> initialization of the UART.
> Please note, that the compatibles are taken from at91-usart MFD
> driver.
> 
> Signed-off-by: Michael Walle <michael at walle.cc>
> ---

Sorry forgot the changelog:

changes since v1:
  - add "select SERIAL_EARLYCON"
  - rename atmelserial to atmel_serial

-michael