param gen reorganize and fix DISABLE_PARAMS_MODULE_SCOPING

CMakeLists.txt

Makefile

Tools/px4params/srcscanner.py

Tools/px_generate_params.py

Tools/px_generate_xml.sh

Tools/px_process_params.py

Tools/px_update_wiki.sh

cmake/common/px4_base.cmake

cmake/common/px4_metadata.cmake

cmake/configs/nuttx_aerocore2_default.cmake

cmake/configs/nuttx_aerofc-v1_default.cmake

cmake/configs/nuttx_auav-x21_default.cmake

cmake/configs/nuttx_crazyflie_default.cmake

cmake/configs/nuttx_esc35-v1_default.cmake

cmake/configs/nuttx_mindpx-v2_default.cmake

cmake/configs/nuttx_px4-stm32f4discovery_default.cmake

cmake/configs/nuttx_px4cannode-v1_default.cmake

cmake/configs/nuttx_px4esc-v1_default.cmake

cmake/configs/nuttx_px4fmu-v1_default.cmake

cmake/configs/nuttx_px4fmu-v2_default.cmake