Merge pull request #2906 from mcharleb/cmake-2-qurt-unbreakage

CMakeLists.txt

cmake/common/px4_base.cmake

cmake/configs/qurt_eagle_hello.cmake

cmake/configs/qurt_eagle_hil.cmake

cmake/configs/qurt_eagle_muorb.cmake

cmake/configs/qurt_eagle_release.cmake

cmake/configs/qurt_eagle_test.cmake

cmake/configs/qurt_eagle_travis.cmake

cmake/qurt/px4_impl_qurt.cmake

cmake/qurt/qurt_eigen.patch

cmake/toolchains/Toolchain-hexagon-7.4.cmake

src/drivers/drv_hrt.h

src/firmware/qurt/CMakeLists.txt

src/lib/dspal

src/modules/attitude_estimator_q/CMakeLists.txt

src/modules/commander/CMakeLists.txt

src/modules/ekf_att_pos_estimator/CMakeLists.txt

src/modules/position_estimator_inav/CMakeLists.txt

src/modules/sensors/sensors.cpp

src/platforms/posix/work_queue/hrt_thread.c