HPCC-16990 Include pyembed in clienttools package

Signed-off-by: Michael Gardner <michael.gardner@lexisnexisrisk.com>

cmake_modules/commonSetup.cmake

@@ -232,6 +232,7 @@ IF ("${COMMONSETUP_DONE}" STREQUAL "")
   endif()
 
   if ( CLIENTTOOLS_ONLY )
+      set(PYEMBED ON)
       set(PLATFORM OFF)
       set(DEVEL OFF)
   endif()