tty: serial: Add driver for the PlayStation 2 EE UART/SIO

UART/SIO serial communication support for the Emotion Engine (EE). Only
polling mode is currently supported.

Signed-off-by: Xavier Brassoud <xavier.brassoud@gmail.com>
Signed-off-by: Fredrik Noring <noring@nocrew.org>

README for the PlayStation 2 Linux kernel

README for the PlayStation 2 Linux kernel

README for the PlayStation 2 Linux kernel

README for the PlayStation 2 Linux kernel

README for the PlayStation 2 Linux kernel

README for the PlayStation 2 Linux kernel

README for the PlayStation 2 Linux kernel

README for the PlayStation 2 Linux kernel

README for the PlayStation 2 Linux kernel