Add vendor identity check for Hygon Dhyana processor in Scudo

Summary:
The Hygon Dhyana processor supports hardware CRC32.

Related link:
https://reviews.llvm.org/D78874

Result of "make check":
Testing Time: 1364.04s
  Unsupported Tests:   317
  Expected Passes  : 36802
  Expected Failures:   161
[100%] Built target check-llvm
[100%] Built target check

Reviewers: cryptoad

Reviewed By: cryptoad

Subscribers: craig.topper, cryptoad, cfe-commits, #sanitizers, llvm-commits

Tags: #clang, #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D62368