[fix] Add ffi and utillinux missing dependencies.

Since the common-superbuild update, these superbuild projects
are missing. ffi is related to libffi and is a python3
dependency. utillinux is related to util-linux and is a fontconfig
dependency.

CMakeLists.txt

@@ -95,12 +95,14 @@ function (superbuild_find_projects var)
   if (UNIX)
     list(APPEND projects
       libxml2
+      ffi
     )
 
     if (NOT APPLE)
       list(APPEND projects
         fontconfig
         gperf
+        utillinux
       )
     endif()
   endif()