b43: LP-PHY: Don't adjust gain table for rev2+ when setting channel

Rev2+ never needs to have gain tables adjusted according to the spec.

Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c
index e010268..ce81920 100644
--- a/drivers/net/wireless/b43/phy_lp.c
+++ b/drivers/net/wireless/b43/phy_lp.c
@@ -2059,10 +2059,9 @@
 		if (err)
 			return err;
 		lpphy_japan_filter(dev, new_channel);
+		lpphy_adjust_gain_table(dev, channel2freq_lp(new_channel));
 	}
 
-	lpphy_adjust_gain_table(dev, channel2freq_lp(new_channel));
-
 	return 0;
 }