MLK-16885-1: DMA: imx-sdma: update the buswidth that is supported

update buswidth that is supported by sdma.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>
Signed-off-by: Srikanth Krishnakar <Srikanth_Krishnakar@mentor.com>

drivers/dma/imx-sdma.c

@@ -187,6 +187,7 @@
 
 #define SDMA_DMA_BUSWIDTHS	(BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \
 				 BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \
+				 BIT(DMA_SLAVE_BUSWIDTH_3_BYTES) | \
 				 BIT(DMA_SLAVE_BUSWIDTH_4_BYTES))
 
 #define SDMA_DMA_DIRECTIONS	(BIT(DMA_DEV_TO_MEM) | \