planning: update gflag for emergency_stop scenario

modules/planning/common/planning_gflags.cc

@@ -90,7 +90,10 @@ DEFINE_bool(enable_scenario_pull_over, false,
             "enable pull-over scenario in planning");
 
 DEFINE_bool(enable_scenario_emergency_pull_over, false,
-            "enable pull-over-emregency scenario in planning");
+            "enable emregency-pull-over scenario in planning");
+
+DEFINE_bool(enable_scenario_emergency_stop, false,
+            "enable emregency-stop scenario in planning");
 
 DEFINE_bool(enable_scenario_side_pass_multiple_parked_obstacles, true,
             "enable ADC to side-pass multiple parked obstacles without"

modules/planning/common/planning_gflags.h

@@ -43,6 +43,7 @@ DECLARE_string(scenario_yield_sign_config_file);
 
 DECLARE_bool(enable_scenario_bare_intersection);
 DECLARE_bool(enable_scenario_emergency_pull_over);
+DECLARE_bool(enable_scenario_emergency_stop);
 DECLARE_bool(enable_scenario_park_and_go);
 DECLARE_bool(enable_scenario_pull_over);
 DECLARE_bool(enable_scenario_stop_sign);