CMake target LLVMOProfileJIT should depend on intrinsics_gen

[Atkins]

Summary

build failed with:

In file included from include/llvm/IR/Instructions.h:27:0,
                 from include/llvm/Analysis/MemoryLocation.h:21,
                 from include/llvm/Analysis/AliasAnalysis.h:44,
                 from include/llvm/CodeGen/MachineInstr.h:24,
                 from include/llvm/CodeGen/MachineBasicBlock.h:22,
                 from include/llvm/CodeGen/MachineFunction.h:31,
                 from lib/ExecutionEngine/OProfileJIT/OProfileJITEventListener.cpp:16:
include/llvm/IR/Attributes.h:74:14: fatal error: llvm/IR/Attributes.inc: No such file or directory
     #include "llvm/IR/Attributes.inc"
              ^~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [lib/ExecutionEngine/OProfileJIT/CMakeFiles/LLVMOProfileJIT.dir/build.make:63: lib/ExecutionEngine/OProfileJIT/CMakeFiles/LLVMOProfileJIT.dir/OProfileJITEventListener.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:6831: lib/ExecutionEngine/OProfileJIT/CMakeFiles/LLVMOProfileJIT.dir/all] Error 2

llvm/lib/ExecutionEngine/OProfileJIT/CMakeLists.txt

 add_llvm_library(LLVMOProfileJIT
   OProfileJITEventListener.cpp
   OProfileWrapper.cpp
+
+  DEPENDS
+  intrinsics_gen
   )