spi/topcliff: Fix uninitialized variable defect

This patch fixes the following build error introduced by commit
65308c46, "spi/topcliff: cleanup for style and conciseness".

drivers/spi/spi_topcliff_pch.c: In function 'pch_spi_process_messages':
drivers/spi/spi_topcliff_pch.c:752: warning: 'data' is used uninitialized in
+this function
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

drivers/spi/spi_topcliff_pch.c

@@ -749,8 +749,8 @@ static void pch_spi_process_messages(struct work_struct *pwork)
 	struct pch_spi_data *data;
 	int bpw;
 
-	dev_dbg(&data->master->dev, "%s data initialized\n", __func__);
 	data = container_of(pwork, struct pch_spi_data, work);
+	dev_dbg(&data->master->dev, "%s data initialized\n", __func__);
 
 	spin_lock(&data->lock);