Mind: Distribute and pin Mind threads to CPUs

At startup, Marionette will distribute and pin the Mind
threads across the available CPUs, warning if it couldn't
do so.

smocore/CMakeLists.txt

@@ -9,6 +9,10 @@ target_include_directories(smocore PUBLIC
     ${CMAKE_CURRENT_SOURCE_DIR}/include
 )
 
+# Link against pthread for CPU affinity functions
+find_package(Threads REQUIRED)
+target_link_libraries(smocore PRIVATE Threads::Threads)
+
 add_subdirectory(marionette)
 add_subdirectory(deviceManager)
 add_subdirectory(senseApis)