ARM: mxc: imx-sdma device gets 16K iosize than 4K

The sdma on all imx soc gets 16K IO space not 4K.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/plat-mxc/devices/platform-imx-dma.c

@@ -57,7 +57,7 @@ static struct platform_device __init __maybe_unused *imx_add_imx_sdma(
 	struct resource res[] = {
 		{
 			.start = data->iobase,
-			.end = data->iobase + SZ_4K - 1,
+			.end = data->iobase + SZ_16K - 1,
 			.flags = IORESOURCE_MEM,
 		}, {
 			.start = data->irq,