int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
			     struct cfg80211_chan_def *chandef,
			     u8 chains_static, u8 chains_dynamic)
int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
			     const struct cfg80211_chan_def *chandef,
			     u8 chains_static, u8 chains_dynamic)