pata_atiixp: fix trivial indentation misalignment on if statement

Remove extraneous space on if statement and on the following line,
trivial fix, no functional change
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NTejun Heo <tj@kernel.org>

drivers/ata/pata_atiixp.c

@@ -183,8 +183,8 @@ static void atiixp_set_dmamode(struct ata_port *ap, struct ata_device *adev)
 	 *	We must now look at the PIO mode situation. We may need to
 	 *	adjust the PIO mode to keep the timings acceptable
 	 */
-	 if (adev->dma_mode >= XFER_MW_DMA_2)
-	 	wanted_pio = 4;
+	if (adev->dma_mode >= XFER_MW_DMA_2)
+		wanted_pio = 4;
 	else if (adev->dma_mode == XFER_MW_DMA_1)
 		wanted_pio = 3;
 	else if (adev->dma_mode == XFER_MW_DMA_0)