Add prefix to QC8/QS8/QU8 WAsm SIMD GEMM/IGEMM microkernels

Specify computation type (MUL16/MUL32) in the name of a microkernel. This is
necessary in preparation for a new set of microkernels using 16x2->32 dot
product instructions from Chrome M87 WAsm SIMD specification.

PiperOrigin-RevId: 389550897
diff --git a/test/qs8-igemm-minmax-fp32.yaml b/test/qs8-igemm-minmax-fp32.yaml
index a8bb7a5..3e12b4b 100644
--- a/test/qs8-igemm-minmax-fp32.yaml
+++ b/test/qs8-igemm-minmax-fp32.yaml
@@ -291,22 +291,22 @@
 - name: xnn_qs8_igemm_minmax_fp32_ukernel_4x16c8__avx512skx
   init: xnn_init_qs8_conv_minmax_fp32_avx512_params
   k-block: 8
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x4c8__wasmsimd_ld64
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x4c8__wasmsimd_mul16_ld64
   init: xnn_init_qs8_conv_minmax_fp32_wasmsimd_params
   k-block: 8
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x4c8__wasmsimd_ld64
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x4c8__wasmsimd_mul16_ld64
   init: xnn_init_qs8_conv_minmax_fp32_wasmsimd_params
   k-block: 8
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_3x4c8__wasmsimd_ld64
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_3x4c8__wasmsimd_mul16_ld64
   init: xnn_init_qs8_conv_minmax_fp32_wasmsimd_params
   k-block: 8
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x4c8__wasmsimd_ld128
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_1x4c8__wasmsimd_mul16_ld128
   init: xnn_init_qs8_conv_minmax_fp32_wasmsimd_params
   k-block: 8
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x4c8__wasmsimd_ld128
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_2x4c8__wasmsimd_mul16_ld128
   init: xnn_init_qs8_conv_minmax_fp32_wasmsimd_params
   k-block: 8
-- name: xnn_qs8_igemm_minmax_fp32_ukernel_3x4c8__wasmsimd_ld128
+- name: xnn_qs8_igemm_minmax_fp32_ukernel_3x4c8__wasmsimd_mul16_ld128
   init: xnn_init_qs8_conv_minmax_fp32_wasmsimd_params
   k-block: 8
 - name: xnn_qs8_igemm_minmax_fp32_ukernel_1x2__scalar_lrint