Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c
index 0268677..c1ee09a 100644
--- a/drivers/media/video/pxa_camera.c
+++ b/drivers/media/video/pxa_camera.c
@@ -714,7 +714,7 @@
  *
  * The DMA chaining is done with DMA running. This means a tiny temporal window
  * remains, where a buffer is queued on the chain, while the chain is already
- * stopped. This means the tailed buffer would never be transfered by DMA.
+ * stopped. This means the tailed buffer would never be transferred by DMA.
  * This function restarts the capture for this corner case, where :
  *  - DADR() == DADDR_STOP
  *  - a videobuffer is queued on the pcdev->capture list