spi: spi-topcliff-pch: Remove some dead code

Since commit 0d35773 ("spi: spi-topcliff-pch: Remove deprecated
create_singlethread_workqueue"), 'retval' is no more used in this function.

So some now dead code can be removed.
Also axe a debug message which looks useless now.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-topcliff-pch.c

@@ -1268,27 +1268,16 @@ static void pch_spi_free_resources(struct pch_spi_board_data *board_dat,
 static int pch_spi_get_resources(struct pch_spi_board_data *board_dat,
 				 struct pch_spi_data *data)
 {
-	int retval = 0;
-
 	dev_dbg(&board_dat->pdev->dev, "%s ENTRY\n", __func__);
 
-
 	/* reset PCH SPI h/w */
 	pch_spi_reset(data->master);
 	dev_dbg(&board_dat->pdev->dev,
 		"%s pch_spi_reset invoked successfully\n", __func__);
 
 	dev_dbg(&board_dat->pdev->dev, "%s data->irq_reg_sts=true\n", __func__);
 
-	if (retval != 0) {
-		dev_err(&board_dat->pdev->dev,
-			"%s FAIL:invoking pch_spi_free_resources\n", __func__);
-		pch_spi_free_resources(board_dat, data);
-	}
-
-	dev_dbg(&board_dat->pdev->dev, "%s Return=%d\n", __func__, retval);
-
-	return retval;
+	return 0;
 }
 
 static void pch_free_dma_buf(struct pch_spi_board_data *board_dat,