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/rc/ir-raw.c b/drivers/media/rc/ir-raw.c
index 01f258a..11c19d8 100644
--- a/drivers/media/rc/ir-raw.c
+++ b/drivers/media/rc/ir-raw.c
@@ -153,7 +153,7 @@
  * @type:	the type of the event that has occurred
  *
  * This routine (which may be called from an interrupt context) works
- * in similiar manner to ir_raw_event_store_edge.
+ * in similar manner to ir_raw_event_store_edge.
  * This routine is intended for devices with limited internal buffer
  * It automerges samples of same type, and handles timeouts
  */