[][MAC80211][MT76][mt76: mt7915: update mpdu density in 6g capability]

[Description]
Fix mpdu density in 6g capability

[Release-log]
N/A

Change-Id: I41e5a0931b3caf34fb6213c083f8fce40c590233
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6073663
diff --git a/autobuild_mac80211_release/package/kernel/mt76/patches/0020-mt76-mt7915-update-mpdu-density-in-6g-capability.patch b/autobuild_mac80211_release/package/kernel/mt76/patches/0020-mt76-mt7915-update-mpdu-density-in-6g-capability.patch
new file mode 100644
index 0000000..d7e61e1
--- /dev/null
+++ b/autobuild_mac80211_release/package/kernel/mt76/patches/0020-mt76-mt7915-update-mpdu-density-in-6g-capability.patch
@@ -0,0 +1,28 @@
+From 7f874a8cf1cf77e18cc593bad4565519a2e71173 Mon Sep 17 00:00:00 2001
+From: Peter Chiu <chui-hao.chiu@mediatek.com>
+Date: Mon, 6 Jun 2022 17:03:07 +0800
+Subject: [PATCH] mt76: mt7915: update mpdu density in 6g capability
+
+Set mpdu density to 2 usec in 6g capability.
+
+Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
+---
+ mt7915/init.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/mt7915/init.c b/mt7915/init.c
+index 146ffa99..eb992d38 100644
+--- a/mt7915/init.c
++++ b/mt7915/init.c
+@@ -979,7 +979,7 @@ mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band,
+ 			u16 cap = IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS |
+ 				  IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
+ 
+-			cap |= u16_encode_bits(IEEE80211_HT_MPDU_DENSITY_8,
++			cap |= u16_encode_bits(IEEE80211_HT_MPDU_DENSITY_2,
+ 					       IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) |
+ 			       u16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K,
+ 					       IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) |
+-- 
+2.18.0
+