iwlagn: use sku capabilities information from EEPROM

Instead of having the separated define, use the sku capabilities in EEPROM

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 3cd42a5..488081f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2515,7 +2515,7 @@
 	hw->flags |= IEEE80211_HW_SUPPORTS_PS |
 		     IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
 
-	if (priv->cfg->sku & IWL_SKU_N)
+	if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE)
 		hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
 			     IEEE80211_HW_SUPPORTS_STATIC_SMPS;
 
@@ -2756,7 +2756,7 @@
 	IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n",
 		     sta->addr, tid);
 
-	if (!(priv->cfg->sku & IWL_SKU_N))
+	if (!(priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE))
 		return -EACCES;
 
 	mutex_lock(&priv->mutex);
@@ -3375,7 +3375,7 @@
 	priv->hw_params.max_beacon_itrvl = IWL_MAX_UCODE_BEACON_INTERVAL;
 
 	if (iwlagn_mod_params.disable_11n)
-		priv->cfg->sku &= ~IWL_SKU_N;
+		priv->cfg->sku &= ~EEPROM_SKU_CAP_11N_ENABLE;
 
 	/* Device-specific setup */
 	return priv->cfg->ops->lib->set_hw_params(priv);