dma: pl330: Alloc dma_parms for the dma device

In order to be able to set a maximum segment size for the device we need to
allocate a dma_parameters struct for the device first.

Signed-off-by: Lars-Peter Clausen <[e-mail]>
Signed-off-by: Vinod Koul <[e-mail]>

drivers/dma/pl330.c

···
 	/* DMA-Engine Device */
 	struct dma_device ddma;
 
+	/* Holds info about sg limitations */
+	struct device_dma_parameters dma_parms;
+
 	/* Pool of descriptors available for the DMAC's channels */
 	struct list_head desc_pool;
 	/* To protect desc_pool manipulation */
···
 			"unable to register DMA to the generic DT DMA helpers\n");
 		}
 	}
+
+	adev->dev.dma_parms = &pdmac->dma_parms;
+
 	/*
 	 * This is the limit for transfers with a buswidth of 1, larger
 	 * buswidths will have larger limits.