dma: fix comments

Correct spelling typo in drivers/dma.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 8f84761..094437b 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -1015,7 +1015,7 @@
 	/*
 	 * Programming Error
 	 * The DMA_INTERRUPT async_tx is a NULL transfer, which will
-	 * triger a PE interrupt.
+	 * trigger a PE interrupt.
 	 */
 	if (stat & FSL_DMA_SR_PE) {
 		chan_dbg(chan, "irq: Programming Error INT\n");