fsi: Provide thin wrappers around dev_[gs]et_data() for fsi devices

Similar to wrappers for other subsystems provide inline functions for
fsi devices to store driver data.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Acked-by: Eddie James <eajames@linux.ibm.com>
Link: https://patch.msgid.link/5de7a7cbb30918b3503235130bd8aa1a9a63d71c.1765279318.git.u.kleine-koenig@baylibre.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: ukleinek

include/linux/fsi.h

@@ -19,6 +19,16 @@ struct fsi_device {
 	uint32_t		size;
 };
 
+static inline void *fsi_get_drvdata(struct fsi_device *fsi_dev)
+{
+	return dev_get_drvdata(&fsi_dev->dev);
+}
+
+static inline void fsi_set_drvdata(struct fsi_device *fsi_dev, void *data)
+{
+	dev_set_drvdata(&fsi_dev->dev, data);
+}
+
 extern int fsi_device_read(struct fsi_device *dev, uint32_t addr,
 		void *val, size_t size);
 extern int fsi_device_write(struct fsi_device *dev, uint32_t addr,