spi: rspi: Convert to DEFINE_SIMPLE_DEV_PM_OPS()

Convert the Renesas RSPI/QSPI driver from SIMPLE_DEV_PM_OPS() to
DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr().  This lets us drop the
check for CONFIG_PM_SLEEP without impacting code size, while increasing
build coverage.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/0b64c1c3803e6d3eeb3ae9cd8921d4fe67f37118.1752087701.git.geert+renesas@glider.be
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: geertu

drivers/spi/spi-rspi.c

@@ -1404,7 +1404,6 @@ static const struct platform_device_id spi_driver_ids[] = {
 
 MODULE_DEVICE_TABLE(platform, spi_driver_ids);
 
-#ifdef CONFIG_PM_SLEEP
 static int rspi_suspend(struct device *dev)
 {
 	struct rspi_data *rspi = dev_get_drvdata(dev);
@@ -1419,19 +1418,15 @@ static int rspi_resume(struct device *dev)
 	return spi_controller_resume(rspi->ctlr);
 }
 
-static SIMPLE_DEV_PM_OPS(rspi_pm_ops, rspi_suspend, rspi_resume);
-#define DEV_PM_OPS	&rspi_pm_ops
-#else
-#define DEV_PM_OPS	NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(rspi_pm_ops, rspi_suspend, rspi_resume);
 
 static struct platform_driver rspi_driver = {
 	.probe =	rspi_probe,
 	.remove =	rspi_remove,
 	.id_table =	spi_driver_ids,
 	.driver		= {
 		.name = "renesas_spi",
-		.pm = DEV_PM_OPS,
+		.pm = pm_sleep_ptr(&rspi_pm_ops),
 		.of_match_table = of_match_ptr(rspi_of_match),
 	},
 };