mac80211: minstrel: fix CCK rate group streams value

[ Upstream commit 80df9be67c44cb636bbc92caeddad8caf334c53c ]

Fixes a harmless underflow issue when CCK rates are actively being used
Signed-off-by: NFelix Fietkau <nbd@nbd.name>
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>

net/mac80211/rc80211_minstrel_ht.c

@@ -129,7 +129,7 @@
 
 #define CCK_GROUP					\
 	[MINSTREL_CCK_GROUP] = {			\
-		.streams = 0,				\
+		.streams = 1,				\
 		.flags = 0,				\
 		.duration = {				\
 			CCK_DURATION_LIST(false),	\