This patch adds the initial VP intrinsic integration test on the host backend and RVV emulator. Please see more detailed [discussion on the discourse](https://discourse.llvm.org/t/mlir-vp-ops-on-rvv-backend-integration-test-and-issues-report/66343). - Run the test cases on the host by configuring the CMake option: `-DMLIR_INCLUDE_INTEGRATION_TESTS=ON` - Build the RVV environment and run the test cases on RVV QEMU by [this doc](https://gist.github.com/zhanghb97/ad44407e169de298911b8a4235e68497). Reviewed By: aartbik Differential Revision: https://reviews.llvm.org/D137816