wifi: mac80211: add helpers to access sband iftype data

There's quite a bit of code accessing sband iftype data
(HE, HE 6 GHz, EHT) and we always need to remember to use
the ieee80211_vif_type_p2p() helper. Add new helpers to
directly get it from the sband/vif rather than having to
call ieee80211_vif_type_p2p().

Convert most code with the following spatch:

    @@
    expression vif, sband;
    @@
    -ieee80211_get_he_iftype_cap(sband, ieee80211_vif_type_p2p(vif))
    +ieee80211_get_he_iftype_cap_vif(sband, vif)

    @@
    expression vif, sband;
    @@
    -ieee80211_get_eht_iftype_cap(sband, ieee80211_vif_type_p2p(vif))
    +ieee80211_get_eht_iftype_cap_vif(sband, vif)

    @@
    expression vif, sband;
    @@
    -ieee80211_get_he_6ghz_capa(sband, ieee80211_vif_type_p2p(vif))
    +ieee80211_get_he_6ghz_capa_vif(sband, vif)

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230604120651.db099f49e764.Ie892966c49e22c7b7ee1073bc684f142debfdc84@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>