Apply suggestions from code review

Author: liubo-intel

src/plugins/intel_cpu/src/nodes/topk.cpp

@@ -1988,9 +1988,7 @@ void TopK::initSupportedPrimitiveDescriptors() {
     ov::element::Type dataPrecision = getOriginalOutputPrecisionAtPort(TOPK_DATA);
     bool precisionSupported = std::find(std::begin(supportedPrecision), std::end(supportedPrecision), dataPrecision) !=
                               std::end(supportedPrecision);
-    // BF16 is not supported for AVX2_VNNI_2 platforms
-    precisionSupported =
-        (dataPrecision == ov::element::bf16 && mayiuse(cpu::x64::avx2_vnni_2)) ? false : precisionSupported;
+    precisionSupported = (dataPrecision == ov::element::bf16 && !mayiuse(avx512_core)) ? false : precisionSupported;
     if (!precisionSupported) {
         if (dataPrecision.is_real()) {
             dataPrecision = ov::element::f32;

src/plugins/intel_cpu/tests/functional/custom/single_layer_tests/classes/conversion.cpp

@@ -146,6 +146,7 @@ void ConvertCPULayerTest::SetUp() {
 
     function = makeNgraphFunction(inPrc, params, conversion, "ConversionCPU");
 
+    // issue 161636
     if (special_value == ov::test::SpecialValue::none && outPrc == ov::element::f8e4m3) {
         abs_threshold = 0.0078125f;
         rel_threshold = 1e-2f;

src/plugins/intel_cpu/tests/functional/custom/single_layer_tests/normalize.cpp

@@ -64,8 +64,8 @@ class NormalizeL2LayerCPUTest : public testing::WithParamInterface<NormalizeL2La
         if (selectedType.empty()) {
             selectedType = getPrimitiveType();
         }
-        // BF16 is not supported for NormalizeL2 on AVX2_VNNI_2 platforms
-        if (with_cpu_x86_avx2_vnni_2() && inType == ElementType::bf16) {
+
+        if (!with_cpu_x86_bfloat16() && inType == ElementType::bf16) {
             selectedType = makeSelectedTypeStr("unknown", ElementType::f32);
         } else {
             selectedType = makeSelectedTypeStr("unknown", inType);

src/plugins/intel_cpu/tests/functional/custom/single_layer_tests/roi_pooling.cpp

@@ -194,8 +194,8 @@ class ROIPoolingCPULayerTest : public testing::WithParamInterface<ROIPoolingCPUT
             selectedType = getPrimitiveType();
         }
         selectedType.push_back('_');
-        // BF16 is not supported for ROIPooling on AVX2_VNNI_2 platforms
-        if (with_cpu_x86_avx2_vnni_2() && netPrecision == ElementType::bf16) {
+
+        if (!with_cpu_x86_bfloat16() && netPrecision == ElementType::bf16) {
             selectedType += ov::element::f32.to_string();
         } else {
             selectedType += netPrecision.to_string();

src/plugins/intel_cpu/tests/functional/custom/single_layer_tests/topk.cpp

@@ -102,8 +102,7 @@ class TopKLayerCPUTest : public testing::WithParamInterface<TopKLayerCPUTestPara
             inPrc = outPrc = netPrecision;
         configuration.insert(additionalConfig.begin(), additionalConfig.end());
 
-        // BF16 is not supported for TopK on AVX2_VNNI_2 platforms
-        if (with_cpu_x86_avx2_vnni_2() && netPrecision == ElementType::bf16) {
+        if (!ov::with_cpu_x86_bfloat16() && netPrecision == ElementType::bf16) {
             selectedType = makeSelectedTypeStr(getPrimitiveType(), ElementType::f32);
         } else {
             selectedType = makeSelectedTypeStr(getPrimitiveType(), netPrecision);