iwlwifi: nvm: enable IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF

The device is capable of receiving MU-MIMO frames with 8 symbols,
enable the bit here that says so.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210802170640.90cf2eb42794.I692e6d0fde6e99a1db97d2e678952f043f48f603@changeidSigned-off-by: Luca Coelho <luciano.coelho@intel.com>

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

@@ -596,6 +596,8 @@ static const struct ieee80211_sband_iftype_data iwl_he_capa[] = {
 					IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
 					IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB |
 					IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED,
+				.phy_cap_info[10] =
+					IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF,
 			},
 			/*
 			 * Set default Tx/Rx HE MCS NSS Support field.