Fix using old BUILD_OBJ_ROOT/BUILD_SRC_ROOT in 2 LLVM makefiles [PATCH]

I found use old BUILD_OBJ_ROOT/BUILD_SRC_ROOT in comment in llvm/Makefile.common
and in llvm/projects/Stacker/test/Makefile code.
I update it to PROJ_* in attached patches.

Vladimir

Makefile.common.patch (1.06 KB)

Makefile.patch (496 Bytes)

Patches committed. Thanks, Vladimir.

Reid.