spi: rspi: 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>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230818093154.1183529-15-yangyingliang@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-rspi.c

@@ -1294,7 +1294,7 @@ static int rspi_probe(struct platform_device *pdev)
 	const struct spi_ops *ops;
 	unsigned long clksrc;
 
-	ctlr = spi_alloc_master(&pdev->dev, sizeof(struct rspi_data));
+	ctlr = spi_alloc_host(&pdev->dev, sizeof(struct rspi_data));
 	if (ctlr == NULL)
 		return -ENOMEM;