spi: s3c64xx: remove unused S3C64XX_SPI_ST_TRLCNTZ macro

The macro S3C64XX_SPI_ST_TRLCNTZ is not used and hence it is removed.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Jaswinder Singh <jaswinder.singh@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

drivers/spi/spi-s3c64xx.c

@@ -113,10 +113,6 @@
 
 #define S3C64XX_SPI_FBCLK_MSK		(3<<0)
 
-#define S3C64XX_SPI_ST_TRLCNTZ(v, i) ((((v) >> (i)->rx_lvl_offset) & \
-					(((i)->fifo_lvl_mask + 1))) \
-					? 1 : 0)
-
 #define S3C64XX_SPI_ST_TX_DONE(v, i) (((v) & (1 << (i)->tx_st_done)) ? 1 : 0)
 #define TX_FIFO_LVL(v, i) (((v) >> 6) & (i)->fifo_lvl_mask)
 #define RX_FIFO_LVL(v, i) (((v) >> (i)->rx_lvl_offset) & (i)->fifo_lvl_mask)