Add MINMAX suffix to GEMM/IGEMM/DWCONV/PPMM micro-kernel names

PiperOrigin-RevId: 305632703
diff --git a/src/f32-gemm/avx512-broadcast.c.in b/src/f32-gemm/avx512-broadcast.c.in
index c20cfba..debe35b 100644
--- a/src/f32-gemm/avx512-broadcast.c.in
+++ b/src/f32-gemm/avx512-broadcast.c.in
@@ -13,7 +13,7 @@
 #include <xnnpack/intrinsics-polyfill.h>
 
 
-void xnn_f32_gemm${"inc" if INC else ""}_ukernel_${MR}x${NR}__avx512f_broadcast(
+void xnn_f32_gemm${"inc" if INC else ""}_minmax_ukernel_${MR}x${NR}__avx512f_broadcast(
     size_t mr,
     size_t nc,
     size_t kc,