mac80211: Use only precedence level of DSCP field for frame classification

Bit 4-5 of DSCP should not be considered by classify_d1. The
802.11 QoS Priority field is only depending on the precedence level.

Signed-off-by: Daniel Wagner <wagi@monom.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 4310e2f..7229e95 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -47,8 +47,6 @@
 		return 0;
 	}
 
-	if (dscp & 0x1c)
-		return 0;
 	return dscp >> 5;
 }