dmaengine: mediatek: mtk-hsdma: Fix typo 'the the' in comment

Replace 'the the' with 'the' in the comment.
Signed-off-by: Slark Xiao <slark_xiao@163.com>
Link: https://lore.kernel.org/r/20220721055647.46085-1-slark_xiao@163.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/dma/mediatek/mtk-hsdma.c

@@ -138,7 +138,7 @@ struct mtk_hsdma_vdesc {
 
 /**
  * struct mtk_hsdma_cb - This is the struct holding extra info required for RX
- *			 ring to know what relevant VD the the PD is being
+ *			 ring to know what relevant VD the PD is being
  *			 mapped to.
  * @vd:			 Pointer to the relevant VD.
  * @flag:		 Flag indicating what action should be taken when VD