spi: spi-s3c64xx: Remove unused driver data structure tgl_spi field

The tgl_spi pointer is now unused so remove it.
Signed-off-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: NAndi Shyti <andi@etezian.org>
Reviewed-by: NKrzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: NMark Brown <broonie@kernel.org>

drivers/spi/spi-s3c64xx.c

@@ -156,7 +156,6 @@ struct s3c64xx_spi_port_config {
  * @ioclk: Pointer to the i/o clock between master and slave
  * @master: Pointer to the SPI Protocol master.
  * @cntrlr_info: Platform specific data for the controller this driver manages.
- * @tgl_spi: Pointer to the last CS left untoggled by the cs_change hint.
  * @lock: Controller specific lock.
  * @state: Set of FLAGS to indicate status.
  * @rx_dmach: Controller's DMA channel for Rx.
@@ -177,7 +176,6 @@ struct s3c64xx_spi_driver_data {
 	struct platform_device          *pdev;
 	struct spi_master               *master;
 	struct s3c64xx_spi_info  *cntrlr_info;
-	struct spi_device               *tgl_spi;
 	spinlock_t                      lock;
 	unsigned long                   sfr_start;
 	struct completion               xfer_completion;