iwlagn: remove the indirection for update_chain_flags

Not needed since the driver split.

Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c
index 9c10462..64ff40a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.c
+++ b/drivers/net/wireless/iwlwifi/iwl-power.c
@@ -406,9 +406,9 @@
 		if (!(cmd->flags & IWL_POWER_DRIVER_ALLOW_SLEEP_MSK))
 			clear_bit(STATUS_POWER_PMI, &priv->status);
 
-		if (priv->cfg->ops->lib->update_chain_flags && update_chains)
-			priv->cfg->ops->lib->update_chain_flags(priv);
-		else if (priv->cfg->ops->lib->update_chain_flags)
+		if (update_chains)
+			iwl_update_chain_flags(priv);
+		else
 			IWL_DEBUG_POWER(priv,
 					"Cannot update the power, chain noise "
 					"calibration running: %d\n",