Conditionally add hw_cmds_generated_patched.h file to list of header files

Change-Id: I0c38c9d40dd3745a223a2cdc8198c05d2eeef757

Author: zzdanowicz

runtime/enable_gens.cmake

@@ -87,6 +87,9 @@ macro(macro_for_each_gen)
   foreach(SRC_IT ${RUNTIME_SRCS_GENX_H_BASE})
     list(APPEND RUNTIME_SRCS_${GEN_TYPE}_H_BASE ${GENX_PREFIX}/${SRC_IT})
   endforeach()
+  if(EXISTS "${GENX_PREFIX}/hw_cmds_generated_patched.h")
+    list(APPEND RUNTIME_SRCS_${GEN_TYPE}_H_BASE "${GENX_PREFIX}/hw_cmds_generated_patched.h")
+  endif()
 
   foreach(OS_IT "BASE" "WINDOWS" "LINUX")
     foreach(SRC_IT ${RUNTIME_SRCS_GENX_CPP_${OS_IT}})