serial: 8250: Separate port initialization

Prepare for 8250 split; introduce serial8250_init_port() to initialize
port fields uncoupled from port structure storage.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed