tty: serial: Fix PORT_LINFLEXUART definition

The port type macros should have different values for different devices.
Currently, PORT_LINFLEXUART conflicts with PORT_SUNIX.

Fixes: 09864c1c ("tty: serial: Add linflexuart driver for S32V234")
Signed-off-by: Stefan-Gabriel Mirea <stefan-gabriel.mirea@nxp.com>
Link: https://lore.kernel.org/r/20191004135058.18007-1-stefan-gabriel.mirea@nxp.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>