[media] s5c73m3: Remove redundant spi driver bus initialization

In ancient times it was necessary to manually initialize the bus
field of an spi_driver to spi_bus_type. These days this is done in
spi_register_driver(), so we can drop the manual assignment.
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/i2c/s5c73m3/s5c73m3-spi.c

@@ -149,7 +149,6 @@ int s5c73m3_register_spi_driver(struct s5c73m3 *state)
 	spidrv->remove = s5c73m3_spi_remove;
 	spidrv->probe = s5c73m3_spi_probe;
 	spidrv->driver.name = S5C73M3_SPI_DRV_NAME;
-	spidrv->driver.bus = &spi_bus_type;
 	spidrv->driver.owner = THIS_MODULE;
 	spidrv->driver.of_match_table = s5c73m3_spi_ids;