spi: dw: move piece of code out of condition

There is no sense to keep a member assignment in the internal structure inside
the condition which reprograms HW. It makes code readability better if kept
outside of the condition.
Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

drivers/spi/spi-dw.c

@@ -494,10 +494,11 @@ static void pump_transfers(unsigned long data)
 			dw_writew(dws, DW_SPI_TXFLTR, txint_level);
 
 		spi_enable_chip(dws, 1);
-		if (cs_change)
-			dws->prev_chip = chip;
 	}
 
+	if (cs_change)
+		dws->prev_chip = chip;
+
 	if (dws->dma_mapped)
 		dws->dma_ops->dma_transfer(dws, cs_change);