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/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index 545c029..fc766b9 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -394,11 +394,11 @@
  *
  * uvc_video_decode_end is called with header data at the end of a bulk or
  * isochronous payload. It performs any additional header data processing and
- * returns 0 or a negative error code if an error occured. As header data have
+ * returns 0 or a negative error code if an error occurred. As header data have
  * already been processed by uvc_video_decode_start, this functions isn't
  * required to perform sanity checks a second time.
  *
- * For isochronous transfers where a payload is always transfered in a single
+ * For isochronous transfers where a payload is always transferred in a single
  * URB, the three functions will be called in a row.
  *
  * To let the decoder process header data and update its internal state even
@@ -658,7 +658,7 @@
 							    buf);
 		} while (ret == -EAGAIN);
 
-		/* If an error occured skip the rest of the payload. */
+		/* If an error occurred skip the rest of the payload. */
 		if (ret < 0 || buf == NULL) {
 			stream->bulk.skip_payload = 1;
 		} else {
@@ -821,7 +821,7 @@
 		return stream->urb_size / psize;
 
 	/* Compute the number of packets. Bulk endpoints might transfer UVC
-	 * payloads accross multiple URBs.
+	 * payloads across multiple URBs.
 	 */
 	npackets = DIV_ROUND_UP(size, psize);
 	if (npackets > UVC_MAX_PACKETS)