Fix spelling contorller -> controller in comments

Cc: Jiri Kosina <trivial@kernel.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 8088b14..f0fd6db 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -10,7 +10,7 @@
  * Description:
  *   DMA engine driver for Freescale MPC8540 DMA controller, which is
  *   also fit for MPC8560, MPC8555, MPC8548, MPC8641, and etc.
- *   The support for MPC8349 DMA contorller is also added.
+ *   The support for MPC8349 DMA controller is also added.
  *
  * This driver instructs the DMA controller to issue the PCI Read Multiple
  * command for PCI read operations, instead of using the default PCI Read Line