[clang] [OpenCL] Allow undefining cl_khr_integer_dot_product features macros (PR #162055)

[Andrzej Ratajewski via cfe-commits]

aratajew wrote:

It seems that this issue has already been discussed. Here is a summary of the discussion: https://github.com/KhronosGroup/OpenCL-Docs/issues/1328#issuecomment-2741764348

https://github.com/llvm/llvm-project/pull/162055