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/atmel.c b/drivers/net/wireless/atmel.c
index 46e382e..39a11e8 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -439,7 +439,7 @@
 };
 
 struct atmel_private {
-	void *card; /* Bus dependent stucture varies for PCcard */
+	void *card; /* Bus dependent structure varies for PCcard */
 	int (*present_callback)(void *); /* And callback which uses it */
 	char firmware_id[32];
 	AtmelFWType firmware_type;
@@ -3895,7 +3895,7 @@
 
 	   This routine is also responsible for initialising some
 	   hardware-specific fields in the atmel_private structure,
-	   including a copy of the firmware's hostinfo stucture
+	   including a copy of the firmware's hostinfo structure
 	   which is the route into the rest of the firmware datastructures. */
 
 	struct atmel_private *priv = netdev_priv(dev);