Make updates to fix issues with clang-cl builds while using AVX512 flags (ggml-org#10314)

Author: Srihari-mcw

ggml/src/ggml-cpu/CMakeLists.txt

@@ -143,14 +143,23 @@ elseif (CMAKE_OSX_ARCHITECTURES STREQUAL "x86_64" OR CMAKE_GENERATOR_PLATFORM_LW
             if (GGML_AVX512_VBMI)
                 add_compile_definitions($<$<COMPILE_LANGUAGE:C>:__AVX512VBMI__>)
                 add_compile_definitions($<$<COMPILE_LANGUAGE:CXX>:__AVX512VBMI__>)
+                if (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+                    list(APPEND ARCH_FLAGS -mavx512vbmi)
+                endif()
             endif()
             if (GGML_AVX512_VNNI)
                 add_compile_definitions($<$<COMPILE_LANGUAGE:C>:__AVX512VNNI__>)
                 add_compile_definitions($<$<COMPILE_LANGUAGE:CXX>:__AVX512VNNI__>)
+                if (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+                    list(APPEND ARCH_FLAGS -mavx512vnni)
+                endif()
             endif()
             if (GGML_AVX512_BF16)
                 add_compile_definitions($<$<COMPILE_LANGUAGE:C>:__AVX512BF16__>)
                 add_compile_definitions($<$<COMPILE_LANGUAGE:CXX>:__AVX512BF16__>)
+                if (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+                    list(APPEND ARCH_FLAGS -mavx512bf16)
+                endif()
             endif()
             if (GGML_AMX_TILE)
                 add_compile_definitions($<$<COMPILE_LANGUAGE:C>:__AMX_TILE__>)