drivers/spi/spiconsole: Fix broken spiconsole driver

Use spi_setup_slave to fill up the spi_slave structure with
pointer to spi_ctrlr structure which can then be used to perform all
spi operations.

Change-Id: I2804ed1e85402426a654352e1ceaf0993546cd8b
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/19385
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
1 file changed