initial control allocation support

- control allocation module with multirotor, VTOL standard, and tiltrotor support
 - angular_velocity_controller
 - See https://github.com/PX4/PX4-Autopilot/pull/13351 for details

Co-authored-by: Silvan Fuhrer <silvan@auterion.com>
Co-authored-by: Roman Bapst <bapstroman@gmail.com>

ROMFS/px4fmu_common/init.d/rc.ctrlalloc

@@ -0,0 +1,26 @@
+#!/bin/sh
+#
+# Standard apps for new control allocation and controllers
+#
+# NOTE: Script variables are declared/initialized/unset in the rcS script.
+#
+
+#
+# Start angular velocity controller
+#
+angular_velocity_controller start
+mc_rate_control stop
+
+#
+# Start Control Allocator
+#
+control_allocator start
+
+#
+# Disable hover thrust estimator and prearming
+# These features are currently incompatible with control allocation
+#
+# TODO: fix
+#
+param set MPC_USE_HTE 0
+param set COM_PREARM_MODE 0