staging: iio: ade7753: Remove trailing whitespaces

This patch removes trailing whitespaces in order to follow the Linux
coding style.

Signed-off-by: simran singhal <[e-mail]>
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/staging/iio/meter/ade7753.c

···
  * @buf_lock:       mutex to protect tx and rx
  **/
 struct ade7753_state {
-	    struct spi_device   *us;
-		    struct mutex        buf_lock;
-			    u8          tx[ADE7753_MAX_TX] ____cacheline_aligned;
-				    u8          rx[ADE7753_MAX_RX];
+	struct spi_device   *us;
+	struct mutex        buf_lock;
+	u8          tx[ADE7753_MAX_TX] ____cacheline_aligned;
+	u8          rx[ADE7753_MAX_RX];
 };
 
 static int ade7753_spi_write_reg_8(struct device *dev,