Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/Documentation/networking/ieee802154.txt b/Documentation/networking/ieee802154.txt
index 23c995e..f41ea24 100644
--- a/Documentation/networking/ieee802154.txt
+++ b/Documentation/networking/ieee802154.txt
@@ -9,7 +9,7 @@
 of IEEE 802.15.4 / ZigBee / 6LoWPAN protocols. IEEE 802.15.4 is a stack
 of protocols for organizing Low-Rate Wireless Personal Area Networks.
 
-Currently only IEEE 802.15.4 layer is implemented. We have choosen
+Currently only IEEE 802.15.4 layer is implemented. We have chosen
 to use plain Berkeley socket API, the generic Linux networking stack
 to transfer IEEE 802.15.4 messages and a special protocol over genetlink
 for configuration/management