dmaengine: imx-sdma: Drop local dma_parms

Since commit 9495b7e9 ("driver core: platform: Initialize dma_parms
for platform devices"), struct platform_device already provides a
dma_parms structure, so we can save allocating another one.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/d9b551dcf712a91860af3c5dd01a31b9b97ac1c5.1599164692.git.robin.murphy@arm.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/dma/imx-sdma.c

@@ -426,7 +426,6 @@ struct sdma_driver_data {
 
 struct sdma_engine {
 	struct device			*dev;
-	struct device_dma_parameters	dma_parms;
 	struct sdma_channel		channel[MAX_DMA_CHANNELS];
 	struct sdma_channel_control	*channel_control;
 	void __iomem			*regs;
@@ -2118,7 +2117,6 @@ static int sdma_probe(struct platform_device *pdev)
 	sdma->dma_device.residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;
 	sdma->dma_device.device_prep_dma_memcpy = sdma_prep_memcpy;
 	sdma->dma_device.device_issue_pending = sdma_issue_pending;
-	sdma->dma_device.dev->dma_parms = &sdma->dma_parms;
 	sdma->dma_device.copy_align = 2;
 	dma_set_max_seg_size(sdma->dma_device.dev, SDMA_BD_MAX_CNT);