Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c
index f4a3277..04251ce 100644
--- a/drivers/video/fbsysfs.c
+++ b/drivers/video/fbsysfs.c
@@ -33,7 +33,7 @@
  * for driver private data (info->par). info->par (if any) will be
  * aligned to sizeof(long).
  *
- * Returns the new structure, or NULL if an error occured.
+ * Returns the new structure, or NULL if an error occurred.
  *
  */
 struct fb_info *framebuffer_alloc(size_t size, struct device *dev)