iwlwifi: iwl-nvm-parse: set STBC flags for HE phy capabilities

Our HW supersets STBC for HE but never set it in assoc IE, fix it by
setting it and enable using it.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210802170640.0108f3e322b6.Ib25a91b5c48ff1fb2185b86a9e4bf5eec637df90@changeidSigned-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c

@@ -568,7 +568,8 @@ static const struct ieee80211_sband_iftype_data iwl_he_capa[] = {
 					IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
 					IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD,
 				.phy_cap_info[2] =
-					IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US,
+					IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
+					IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ,
 				.phy_cap_info[3] =
 					IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM |
 					IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 |
@@ -634,6 +635,7 @@ static const struct ieee80211_sband_iftype_data iwl_he_capa[] = {
 				.phy_cap_info[1] =
 					IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD,
 				.phy_cap_info[2] =
+					IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ |
 					IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US,
 				.phy_cap_info[3] =
 					IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM |
@@ -742,6 +744,8 @@ iwl_nvm_fixup_sband_iftd(struct iwl_trans *trans,
 			IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
 
 	if ((tx_chains & rx_chains) == ANT_AB) {
+		iftype_data->he_cap.he_cap_elem.phy_cap_info[2] |=
+			IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ;
 		iftype_data->he_cap.he_cap_elem.phy_cap_info[5] |=
 			IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 |
 			IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2;