Enable topic listener for Pixracer config

cmake/configs/nuttx_px4fmu-v4_default.cmake

@@ -36,7 +36,7 @@ set(config_module_list
 	drivers/meas_airspeed
 	drivers/frsky_telemetry
 	modules/sensors
-	#drivers/mkblctrl
+	drivers/mkblctrl
 	drivers/px4flow
 	drivers/oreoled
 	drivers/gimbal
@@ -53,7 +53,7 @@ set(config_module_list
 	systemcmds/pwm
 	systemcmds/esc_calib
 	systemcmds/reboot
-	#systemcmds/topic_listener
+	systemcmds/topic_listener
 	systemcmds/top
 	systemcmds/config
 	systemcmds/nshterm