scsi: atp870u: clean up code style and indentation issues

Clean up { brace to fix cppcheck warning. Remove some trailing spaces at
end of a statement.  Also clean up an indentation issue.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/atp870u.c

@@ -194,8 +194,7 @@ static irqreturn_t atp870u_intr_handle(int irq, void *dev_id)
 				((unsigned char *) &adrcnt)[2] = atp_readb_io(dev, c, 0x12);
 				((unsigned char *) &adrcnt)[1] = atp_readb_io(dev, c, 0x13);
 				((unsigned char *) &adrcnt)[0] = atp_readb_io(dev, c, 0x14);
-				if (dev->id[c][target_id].last_len != adrcnt)
-				{
+				if (dev->id[c][target_id].last_len != adrcnt) {
 					k = dev->id[c][target_id].last_len;
 			   		k -= adrcnt;
 			   		dev->id[c][target_id].tran_len = k;