SMEX (*SOF Metadata EXtractor*) is a tool used to extract needed
information from SOF source code and output files and then save
them in convenient form like logs dictionary file (*ldc*).
After full integration of SMEX with SOF build system,
rImage with no sof specific ldc generator code can be moved
outside as a common external tool.
Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>