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-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c
index 2ef9448..512d8be 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c
@@ -108,18 +108,11 @@
 
 int iwl_eeprom_check_sku(struct iwl_priv *priv)
 {
-	u16 eeprom_sku;
 	u16 radio_cfg;
 
-	eeprom_sku = iwl_eeprom_query16(priv, EEPROM_SKU_CAP);
-
 	if (!priv->cfg->sku) {
 		/* not using sku overwrite */
-		priv->cfg->sku =
-			((eeprom_sku & EEPROM_SKU_CAP_BAND_SELECTION) >>
-			EEPROM_SKU_CAP_BAND_POS);
-		if (eeprom_sku & EEPROM_SKU_CAP_11N_ENABLE)
-			priv->cfg->sku |= IWL_SKU_N;
+		priv->cfg->sku = iwl_eeprom_query16(priv, EEPROM_SKU_CAP);
 	}
 	if (!priv->cfg->sku) {
 		IWL_ERR(priv, "Invalid device sku\n");