[llvm-c] (PR16190) Add LLVMIsA* functions for ConstantDataSequential and subclasses

Original patch by David Monniaux

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194074 91177308-0d34-0410-b5e6-96231b3b80d8
[OCaml] (PR16190) Add ValueKinds for ConstantDataSequential and subclasses

Original patch by David Monniaux

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194075 91177308-0d34-0410-b5e6-96231b3b80d8