iwlwifi: mvm: support LnP 1x1 antenna configuration

The antenna configuration has to be read also from OTP
Currently read only from FW image
Guideline: An antenna exists only if appears both in FW image & NVM

Signed-off-by: Moshe Harel <moshe.harel@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c
index 1c0d4a4..540c36b 100644
--- a/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c
@@ -176,7 +176,7 @@
 	cmd->rxchain_info |= cpu_to_le32(active_cnt <<
 					 PHY_RX_CHAIN_MIMO_CNT_POS);
 
-	cmd->txchain_info = cpu_to_le32(mvm->fw->valid_tx_ant);
+	cmd->txchain_info = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm));
 }
 
 /*