Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/net/wireless/rayctl.h b/drivers/net/wireless/rayctl.h
index 49d9b26..d7646f2 100644
--- a/drivers/net/wireless/rayctl.h
+++ b/drivers/net/wireless/rayctl.h
@@ -578,7 +578,7 @@
     UCHAR  var[1];
 };
 
-/****** ECF Receive Control Stucture (RCS) Area at Shared RAM offset 0x0800  */
+/****** ECF Receive Control Structure (RCS) Area at Shared RAM offset 0x0800  */
 /* Structures for command specific parameters (rcs.var) */
 struct rx_packet_cmd {
     UCHAR rx_data_ptr[2];