SITL init: set EKF2 params for SITL

The sensors in the SITL environment are near ideal, so the
initialization in ekf2 can happen quicker.

posix-configs/SITL/init/rcS_gazebo_iris

@@ -33,6 +33,8 @@ param set MC_PITCH_P 5
 param set MC_ROLL_P 5
 param set MPC_Z_VEL_P 0.8
 param set MPC_Z_VEL_I 0.15
+param set EKF2_GBIAS_INIT 0.01
+param set EKF2_ANGERR_INIT 0.01
 simulator start -s
 rgbledsim start
 tone_alarm start

posix-configs/SITL/init/rcS_jmavsim_iris

@@ -40,6 +40,8 @@ param set MPC_HOLD_MAX_Z 2.0
 param set MPC_HOLD_XY_DZ 0.1
 param set MPC_Z_VEL_MAX 2.0
 param set MPC_Z_VEL_P 0.4
+param set EKF2_GBIAS_INIT 0.01
+param set EKF2_ANGERR_INIT 0.01
 simulator start -s
 rgbledsim start
 tone_alarm start