dmaengine: virt-dma: Fix double word in comments

Delete the double word "many" in comments.
Signed-off-by: Shaomin Deng <dengshaomin@cdjrlc.com>
Link: https://lore.kernel.org/r/20220825144545.3528-1-dengshaomin@cdjrlc.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/dma/s3c24xx-dma.c

@@ -1094,7 +1094,7 @@ static int s3c24xx_dma_init_virtual_channels(struct s3c24xx_dma_engine *s3cdma,
 	INIT_LIST_HEAD(&dmadev->channels);
 
 	/*
-	 * Register as many many memcpy as we have physical channels,
+	 * Register as many memcpy as we have physical channels,
 	 * we won't always be able to use all but the code will have
 	 * to cope with that situation.
 	 */