spi: mux: switch to use spi_alloc_host()

Switch to use modern name function spi_alloc_host().

No functional changed.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20230823033003.3407403-15-yangyingliang@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-mux.c

@@ -129,7 +129,7 @@ static int spi_mux_probe(struct spi_device *spi)
 	struct spi_mux_priv *priv;
 	int ret;
 
-	ctlr = spi_alloc_master(&spi->dev, sizeof(*priv));
+	ctlr = spi_alloc_host(&spi->dev, sizeof(*priv));
 	if (!ctlr)
 		return -ENOMEM;