cmake: fixes for qurt build after refactoring

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

cmake: changes required for qurt build

Fixed CMakeLists.txt to be consistent with module.mk
Converted PX4_TICKS_PER_SEC to define for QURT to get around relocation error
Added stubs for QURT so building a full executable can be tested. This will
enable CI testing without the full Hexagon SDK.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

cmake: added support for topic_listener.cpp

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

qurt: Updated the version of dspal headers

qurt: Updated dspal version

Added missing extern "C" blocks

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Cmake mc 4

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

cmake qurt and posix fixes for cmake

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Added generation of build_git_version.h

Added separate src/lib/eigen-3.2 dir for qurt (new submodule)

Added patching of eigen-3.2 for qurt (compiler has issue with Complex)

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Hack to get posix build partially working

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

MOst of the link errors are resolved. Param is still an issue.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>