Change from APM to ArduPilot naming

src/QmlControls/QGroundControlQmlGlobal.cc

@@ -49,7 +49,7 @@ QGroundControlQmlGlobal::QGroundControlQmlGlobal(QGCApplication* app)
     QStringList     firmwareEnumStrings;
     QVariantList    firmwareEnumValues;
 
-    firmwareEnumStrings << "APM Flight Stack" << "PX4 Flight Stack" << "Mavlink Generic Flight Stack";
+    firmwareEnumStrings << "ArduPilot Flight Stack" << "PX4 Flight Stack" << "Mavlink Generic Flight Stack";
     firmwareEnumValues << QVariant::fromValue((uint32_t)MAV_AUTOPILOT_ARDUPILOTMEGA) << QVariant::fromValue((uint32_t)MAV_AUTOPILOT_PX4) << QVariant::fromValue((uint32_t)MAV_AUTOPILOT_GENERIC);
 
     _offlineEditingFirmwareTypeMetaData.setEnumInfo(firmwareEnumStrings, firmwareEnumValues);

src/VehicleSetup/FirmwareUpgrade.qml

@@ -227,7 +227,7 @@ QGCView {
                 QGCRadioButton {
                     id:             apmFlightStack
                     exclusiveGroup: firmwareGroup
-                    text:           "APM Flight Stack"
+                    text:           "ArduPilot Flight Stack"
                     visible:        !px4Flow
 
                     onClicked: parent.firmwareVersionChanged(firmwareTypeList)