Add Parrot Bebop as build target (#4698)

* Add parrot bebop build structure

* Add upload functionality to bebop build

* Add modules and commands to bebop build

posix-configs/bebop/mainapp.config

@@ -0,0 +1,15 @@
+uorb start
+param set SYS_AUTOSTART 4001
+sleep 1
+param set MAV_TYPE 2
+sensors start
+commander start
+ekf2 start
+land_detector start multicopter
+mc_pos_control start
+mc_att_control start
+mavlink start -u 14556 -r 1000000
+sleep 1
+mavlink stream -u 14556 -s HIGHRES_IMU -r 50
+mavlink stream -u 14556 -s ATTITUDE -r 50
+mavlink boot_complete