dmaengine: mediatek-cqdma: fix typo in comment

Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>

Link: https://lore.kernel.org/r/20220521111145.81697-61-Julia.Lawall@inria.fr
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: JuliaLawall

drivers/dma/mediatek/mtk-cqdma.c

@@ -373,7 +373,7 @@ static void mtk_cqdma_tasklet_cb(struct tasklet_struct *t)
 
 		/*
 		 * free child CVD after completion.
-		 * the parent CVD would be freeed with desc_free by user.
+		 * the parent CVD would be freed with desc_free by user.
 		 */
 		if (cvd->parent != cvd)
 			kfree(cvd);