misc: gehc-achc: Follow renaming of SPI "master" to "controller"

In commit 8caab75f ("spi: Generalize SPI "master" to "controller"")
some functions and struct members were renamed. To not break all drivers
compatibility macros were provided.

To be able to remove these compatibility macros push the renaming into
this driver.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/3c93bf41d2399d06b5a379a76c8f6e877f3560b7.1707324794.git.u.kleine-koenig@pengutronix.deSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/misc/gehc-achc.c

@@ -65,7 +65,7 @@ static int ezport_start_programming(struct spi_device *spi, struct gpio_desc *re
 	struct spi_transfer release_cs = { };
 	int ret;
 
-	spi_bus_lock(spi->master);
+	spi_bus_lock(spi->controller);
 
 	/* assert chip select */
 	spi_message_init(&msg);
@@ -85,16 +85,16 @@ static int ezport_start_programming(struct spi_device *spi, struct gpio_desc *re
 	ret = spi_sync_locked(spi, &msg);
 
 fail:
-	spi_bus_unlock(spi->master);
+	spi_bus_unlock(spi->controller);
 	return ret;
 }
 
 static void ezport_stop_programming(struct spi_device *spi, struct gpio_desc *reset)
 {
 	/* reset without asserted chip select to return into normal mode */
-	spi_bus_lock(spi->master);
+	spi_bus_lock(spi->controller);
 	ezport_reset(reset);
-	spi_bus_unlock(spi->master);
+	spi_bus_unlock(spi->controller);
 }
 
 static int ezport_get_status_register(struct spi_device *spi)