ath5k: Use common crypt capabilities flags

Replace ah_aes_support and ah_combined_mic with common ath_crypt_caps
ATH_CRYPT_CAP_CIPHER_AESCCM and ATH_CRYPT_CAP_MIC_COMBINED.

Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 7933646..0709bb0 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -3294,7 +3294,7 @@
 	case WLAN_CIPHER_SUITE_TKIP:
 		break;
 	case WLAN_CIPHER_SUITE_CCMP:
-		if (sc->ah->ah_aes_support)
+		if (common->crypt_caps & ATH_CRYPT_CAP_CIPHER_AESCCM)
 			break;
 		return -EOPNOTSUPP;
 	default: