Support FP32 requantization in AVX512 QS8 microkernels

PiperOrigin-RevId: 375845159
diff --git a/test/qs8-igemm-minmax-fp32.yaml b/test/qs8-igemm-minmax-fp32.yaml
index 1aa74ad..280ad4f 100644
--- a/test/qs8-igemm-minmax-fp32.yaml
+++ b/test/qs8-igemm-minmax-fp32.yaml
@@ -12,3 +12,15 @@
 - name: xnn_qs8_igemm_minmax_fp32_ukernel_3x8c8__avx2
   init: xnn_init_qs8_conv_minmax_fp32_avx2_params
   k-block: 8
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x16c8__avx512skx
+  init: xnn_init_qs8_conv_minmax_fp32_avx512_params
+  k-block: 8
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x16c8__avx512skx
+  init: xnn_init_qs8_conv_minmax_fp32_avx512_params
+  k-block: 8
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_3x16c8__avx512skx
+  init: xnn_init_qs8_conv_minmax_fp32_avx512_params
+  k-block: 8
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_4x16c8__avx512skx
+  init: xnn_init_qs8_conv_minmax_fp32_avx512_params
+  k-block: 8