Align the shared library with other runtime libraries: - Rename from libsycl.so to libLLVMSYCL.so - Make install dir include the host triple if LLVM_ENABLE_PER_TARGET_RUNTIME_DIR is ON. Also updates the Clang driver to be aligned with the new location by relanding https://github.com/llvm/llvm-project/pull/189053 --------- Co-authored-by: Srividya Sundaram <srividya.sundaram@intel.com>