px4params don't search recursively for params

Tools/px4params/srcscanner.py

cmake/configs/nuttx_aerocore2_default.cmake

cmake/configs/nuttx_auav-x21_default.cmake

cmake/configs/nuttx_mindpx-v2_default.cmake

cmake/configs/nuttx_px4fmu-v2_default.cmake

cmake/configs/nuttx_px4fmu-v2_test.cmake

cmake/configs/nuttx_px4fmu-v3_default.cmake

cmake/configs/nuttx_px4fmu-v4_default.cmake

cmake/configs/nuttx_px4fmu-v4pro_default.cmake

cmake/configs/nuttx_px4fmu-v5_default.cmake

cmake/configs/posix_sitl_default.cmake

src/lib/controllib/controllib_test/CMakeLists.txt

src/lib/controllib/controllib_test/blocks.cpp

src/lib/controllib/controllib_test/controllib_test_main.cpp

src/lib/controllib/controllib_test/test_params.c

src/modules/position_estimator_inav/CMakeLists.txt

src/modules/position_estimator_inav/params.c

.../position_estimator_inav/position_estimator_inav_main.cpp