[AVX512] Fix _mm_setzero_di to not require avx512vl since its used by the...

[AVX512] Fix _mm_setzero_di to not require avx512vl since its used by the avx512dqintrin.h. Also update the avx512dq test to not enable avx512vl feature so we can ensure correct dependencies.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@273388 91177308-0d34-0410-b5e6-96231b3b80d8