Neural Control Mode (#24366)

* Add tflm to px4 with module

 - Add TensorFlow Lite Micro(TFLM) as a library in px4
 - Make a module that uses neural network inference for control, which uses TFLM for inference
 - Make board config files for PX4 with neural module

* Added neural flight mode

* Add posibility to read of inference times

* Fix comments from review:

- Switch ssh link to https link in submodule
- Remove mc_nn_control from startup

* Add tflm to px4 with module

 - Add TensorFlow Lite Micro(TFLM) as a library in px4
 - Make a module that uses neural network inference for control, which uses TFLM for inference
 - Make board config files for PX4 with neural module

* Added neural flight mode

* Add posibility to read of inference times

* Remove auto start

* Add logging from neural control module

* Fix automatic startup to only be when module is included

* Switch to flight mode registration

* Add docs

* Change min/max/coeff to actual parameters

* add figures to neural network docs

* Switch to e2e network

* Remove toolchain changes and replace with instructions in docs

* Get ready for merge after toolchain upgrade

* switch back to submodule

* Try to figure out cmake

* Get CI working with new toolchain

* Remove fork dependency

* Finalize PR

* fix toolchain inclusion

* Fix ctype_base.h include

* Cleanup includes for TFLM

* Remove redundant std

* Update FW module names in board files

* Fix docs

* Remove cstdlib copy

* Copy header from nuttx

* Prettier, markup, layout

* NeuralControl.msg - update uorb comments to current standard

* Add description to neural topic

* Fix typo

* Typo

* TFLM and Module utitlities

* Neural networks top level

* Update docs

* Add manual control

* Update docs

* Revert the manual control attempt

* Update docs/en/advanced/nn_module_utilities.md

* Add posibility to set trajectory setpoint with manual control

---------

Co-authored-by: Pedro Roque <padr@kth.se>
Co-authored-by: Hamish Willee <hamishwillee@gmail.com>
Co-authored-by: Ramon Roche <mrpollo@gmail.com>

.gitmodules

@@ -92,3 +92,6 @@
 [submodule "test/fuzztest"]
 	path = test/fuzztest
 	url = https://github.com/google/fuzztest.git
+[submodule "src/lib/tensorflow_lite_micro/tflite_micro"]
+	path = src/lib/tensorflow_lite_micro/tflite_micro
+	url = https://github.com/PX4/tflite-micro.git