CMake: Mark architecture variables as advanced

arch/CMakeLists.txt

@@ -10,13 +10,17 @@ add_subdirectory(eCos)
 add_subdirectory(wec7)
 
 SET(UA_ARCH_EXTRA_INCLUDES "" CACHE STRING "Folders to include from the architecture")
+mark_as_advanced(UA_ARCH_EXTRA_INCLUDES)
 ua_include_directories(${UA_ARCH_EXTRA_INCLUDES})
 
 SET(UA_ARCH_REMOVE_FLAGS "" CACHE STRING "Flags to be removed from compilation that depends on the architecure")
+mark_as_advanced(UA_ARCH_REMOVE_FLAGS)
 ua_architecture_remove_definitions(${UA_ARCH_REMOVE_FLAGS})
 
 SET(UA_ARCH_ADD_FLAGS "" CACHE STRING "Flags to be added to compilation that depends on the architecure")
+mark_as_advanced(UA_ARCH_ADD_FLAGS)
 ua_architecture_add_definitions(${UA_ARCH_ADD_FLAGS})
 
 SET(UA_ARCH_LINKER_FLAGS "" CACHE STRING "Linker Flags to be added to compilation that depends on the architecure")
+mark_as_advanced(UA_ARCH_LINKER_FLAGS)
 ua_architecture_append_to_library(${UA_ARCH_LINKER_FLAGS})