iio: light: pa12203001: Use pm_runtime_resume_and_get() to replace open coding.

Found using coccicheck script under review at:
https://lore.kernel.org/lkml/[e-mail]/

This is a prequel to taking a closer look at the runtime pm in IIO drivers
in general.

Signed-off-by: Jonathan Cameron <[e-mail]>
Reviewed-by: Mauro Carvalho Chehab <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

drivers/iio/light/pa12203001.c

···
 	}
 
 	if (on) {
-		ret = pm_runtime_get_sync(&data->client->dev);
-		if (ret < 0)
-			pm_runtime_put_noidle(&data->client->dev);
+		ret = pm_runtime_resume_and_get(&data->client->dev);
 
 	} else {
 		pm_runtime_mark_last_busy(&data->client->dev);