mfd: cs42l43: Handle error from devm_pm_runtime_enable()

As it devm_pm_runtime_enable() can fail due to memory allocations, it
is best to handle the error.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240129152557.3221212-6-ckeepax@opensource.cirrus.comSigned-off-by: Lee Jones <lee@kernel.org>

drivers/mfd/cs42l43.c

@@ -1065,7 +1065,9 @@ int cs42l43_dev_probe(struct cs42l43 *cs42l43)
 	 * the boot work runs.
 	 */
 	pm_runtime_get_noresume(cs42l43->dev);
-	devm_pm_runtime_enable(cs42l43->dev);
+	ret = devm_pm_runtime_enable(cs42l43->dev);
+	if (ret)
+		return ret;
 
 	queue_work(system_long_wq, &cs42l43->boot_work);