mesh: Add mesh robust security network

This implementation provides:

- Mesh SAE authentication mechanism
- Key management (set/get PSK)
- Cryptographic key establishment
- Enhanced protection mechanisms for robust management frames

Signed-off-by: Javier Lopez <jlopex@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: Jason Mobarak <x@jason.mobarak.name>
Signed-off-by: Thomas Pedersen <thomas@noack.us>

src/ap/wpa_auth.h

@@ -213,6 +213,9 @@ struct wpa_auth_callbacks {
 	int (*add_tspec)(void *ctx, const u8 *sta_addr, u8 *tspec_ie,
 			 size_t tspec_ielen);
 #endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_MESH
+	int (*start_ampe)(void *ctx, const u8 *sta_addr);
+#endif /* CONFIG_MESH */
 };
 
 struct wpa_authenticator * wpa_init(const u8 *addr,