Add CMake support for PAL backend

Change-Id: Id0673d43217be305aa4ca7a612c416baee3fb23c


[ROCm/clr commit: da5f4c554e]

projects/clr/rocclr/device/pal/palprogram.cpp

@@ -21,8 +21,6 @@
 #include "os/os.hpp"
 #include "utils/flags.hpp"
 #include "include/aclTypes.h"
-#include "utils/amdilUtils.hpp"
-#include "utils/bif_section_labels.hpp"
 #include "device/pal/palprogram.hpp"
 #include "device/pal/palblit.hpp"
 #include <fstream>