Provide parameter passing to uart_port_config(). Update port
configuration - un-mask it before enable the bits.
Signed-off-by: TsiChung Liew <tsicliew@gmail.com>
According to coldfire manual data timeout > address time out
also use correct macro to program XARB_CFG
Signed-off-by: Arun C <arunedarath@mistralsolutions.com>