Fixes the following W=1 kernel build warning(s):
 drivers/tty/serial/ifx6x60.c:553: warning: Function parameter or member 'tty' not described in 'ifx_port_activate'
 drivers/tty/serial/ifx6x60.c:728: warning: Function parameter or member 't' not described in 'ifx_spi_io'
 drivers/tty/serial/ifx6x60.c:728: warning: Excess function parameter 'data' description in 'ifx_spi_io'
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Filip Aben <f.aben@option.com>
Cc: Joseph Barrow <d.barow@option.com>
Cc: Jan Dumon <j.dumon@option.com>
Cc: Russ Gorby <russ.gorby@intel.com>
Cc: linux-serial@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201104193549.4026187-22-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 /**
  *     ifx_port_activate
  *     @port: our tty port
+ *     @tty: our tty device
  *
  *     tty port activate method - called for first open. Serialized
  *     with hangup and shutdown by the tty layer.
 
 /**
  *     ifx_spio_io             -       I/O tasklet
- *     @data: our SPI device
+ *     @t: tasklet construct used to fetch the SPI device
  *
  *     Queue data for transmission if possible and then kick off the
  *     transfer.