dmaengine: altera-msgdma: fix kernel-doc style for tasklet

Commit 6752e40d669a ("dmaengine: altera-msgdma: convert tasklets to use
new tasklet_setup() API") updated driver to use new tasklet_setup() API
but missed to update the documentation for the tasklet function.

Fixes: 6752e40d669a ("dmaengine: altera-msgdma: convert tasklets to use new tasklet_setup() API")
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/dma/altera-msgdma.c

···
 
 /**
  * msgdma_tasklet - Schedule completion tasklet
- * @data: Pointer to the Altera sSGDMA channel structure
+ * @t: Pointer to the Altera sSGDMA channel structure
  */
 static void msgdma_tasklet(struct tasklet_struct *t)
 {