dmaengine: plx_dma: Don't set chancnt

The dma framework will calculate the dma channels chancnt, setting it
ourself is wrong.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: Logan Gunthorpe <logang@deltatee.com>
Link: https://lore.kernel.org/r/20230521100252.3197-4-jszhang@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: xhackerustc

drivers/dma/plx_dma.c

@@ -517,7 +517,6 @@ static int plx_dma_create(struct pci_dev *pdev)
 	plxdev->bar = pcim_iomap_table(pdev)[0];
 
 	dma = &plxdev->dma_dev;
-	dma->chancnt = 1;
 	INIT_LIST_HEAD(&dma->channels);
 	dma_cap_set(DMA_MEMCPY, dma->cap_mask);
 	dma->copy_align = DMAENGINE_ALIGN_1_BYTE;