Force fingerprint function

Added function to automatically detect the vehicle's fingerprint if it exists, or an option to force the vehicle's fingerprint if it doesn't.

common/params.cc

@@ -222,6 +222,8 @@ std::unordered_map<std::string, uint32_t> keys = {
     {"ApiCache_DriveStats", PERSISTENT},
     {"BlindSpotPath", PERSISTENT},
     {"CameraView", PERSISTENT},
+    {"CarMake", PERSISTENT},
+    {"CarModel", PERSISTENT},
     {"CECurves", PERSISTENT},
     {"CECurvesLead", PERSISTENT},
     {"CENavigation", PERSISTENT},
@@ -259,6 +261,7 @@ std::unordered_map<std::string, uint32_t> keys = {
     {"ExperimentalModeViaScreen", PERSISTENT},
     {"FireTheBabysitter", PERSISTENT},
     {"ForceAutoTune", PERSISTENT},
+    {"ForceFingerprint", PERSISTENT},
     {"FrogPilotTogglesUpdated", PERSISTENT},
     {"GoatScream", PERSISTENT},
     {"LaneLinesWidth", PERSISTENT},