orinoco: Add MIC on TX and check on RX

Use the MIC algorithm from the crypto subsystem.

Signed-off-by: David Kilroy <kilroyd@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/orinoco.h b/drivers/net/wireless/orinoco.h
index e0c9be3..981570b 100644
--- a/drivers/net/wireless/orinoco.h
+++ b/drivers/net/wireless/orinoco.h
@@ -158,6 +158,8 @@
 	int wpa_ie_len;
 
 	struct orinoco_tkip_key tkip_key[ORINOCO_MAX_KEYS];
+	struct crypto_hash *rx_tfm_mic;
+	struct crypto_hash *tx_tfm_mic;
 
 	unsigned int wpa_enabled:1;
 	unsigned int tkip_cm_active:1;