dmaengine: apple-admac: Set src_addr_widths capability

Add missing setting of 'src_addr_widths', which is the same as for the
other direction.

Fixes: b127315d ("dmaengine: apple-admac: Add Apple ADMAC driver")
Signed-off-by: NMartin Povišer <povik+lin@cutebit.org>
Link: https://lore.kernel.org/r/20230224152222.26732-3-povik+lin@cutebit.orgSigned-off-by: NVinod Koul <vkoul@kernel.org>

drivers/dma/apple-admac.c

@@ -858,6 +858,9 @@ static int admac_probe(struct platform_device *pdev)
 
 	dma->directions = BIT(DMA_MEM_TO_DEV) | BIT(DMA_DEV_TO_MEM);
 	dma->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
+	dma->src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) |
+			BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) |
+			BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
 	dma->dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) |
 			BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) |
 			BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);