Increase max speed by 5 on short press

Added toggle to increase the value of the max speed by 5 instead of 1 and an additional function to enable/disable it by taping the "Max" speed icon in the onroad UI.

selfdrive/controls/controlsd.py

@@ -606,7 +606,7 @@ class Controls:
   def state_transition(self, CS):
     """Compute conditional state transitions and execute actions on state transitions"""
 
-    self.v_cruise_helper.update_v_cruise(CS, self.enabled, self.is_metric)
+    self.v_cruise_helper.update_v_cruise(CS, self.enabled, self.is_metric, self.frogpilot_variables)
 
     # decrement the soft disable timer at every step, as it's reset on
     # entrance in SOFT_DISABLING state
@@ -1062,6 +1062,7 @@ class Controls:
     self.frogpilot_variables.sport_plus = longitudinal_tune and self.params.get_int("AccelerationProfile") == 3
 
     quality_of_life = self.params.get_bool("QOLControls")
+    self.frogpilot_variables.reverse_cruise_increase = quality_of_life and self.params.get_bool("ReverseCruise")
 
 def main():
   controls = Controls()