iwlwifi: mvm: change when the BT_COEX is sent

The BT_COEX command should not be sent to the INIT
firmware image starting from 8000 family.
The firmware team also requested to send the BT_COEX
command after the PHY_DB_CMD and the PHY_CFG_CMD.

While at it:
s/iwl_send_bt_init_conf/iwl_mvm_send_bt_init_conf/

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index c3ab13e..f87a43d 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -644,7 +644,7 @@ iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
 		       modes_str[mvm->bt_force_ant_mode]);
 
 	if (iwl_mvm_firmware_running(mvm))
-		ret = iwl_send_bt_init_conf(mvm);
+		ret = iwl_mvm_send_bt_init_conf(mvm);
 	else
 		ret = 0;