Add scalar chw 5x5p2 and 5x5s2p2 kernels

PiperOrigin-RevId: 279361629
diff --git a/src/xnnpack/dwconv.h b/src/xnnpack/dwconv.h
index 440a756..098c599 100644
--- a/src/xnnpack/dwconv.h
+++ b/src/xnnpack/dwconv.h
@@ -110,7 +110,9 @@
     const union xnn_f32_spchw_params* params);
 
 DECLARE_F32_DWCONV_SPCHW_UKERNEL_FUNCTION(xnn_f32_dwconv_spchw_ukernel_3x3p1__scalar)
+DECLARE_F32_DWCONV_SPCHW_UKERNEL_FUNCTION(xnn_f32_dwconv_spchw_ukernel_5x5p2__scalar)
 DECLARE_F32_DWCONV_SPCHW_UKERNEL_FUNCTION(xnn_f32_dwconv_spchw_ukernel_3x3s2p1__scalar)
+DECLARE_F32_DWCONV_SPCHW_UKERNEL_FUNCTION(xnn_f32_dwconv_spchw_ukernel_5x5s2p2__scalar)
 DECLARE_F32_DWCONV_SPCHW_UKERNEL_FUNCTION(xnn_f32_dwconv_spchw_ukernel_3x3p1__neonfma)
 DECLARE_F32_DWCONV_SPCHW_UKERNEL_FUNCTION(xnn_f32_dwconv_spchw_ukernel_5x5p2__neonfma)
 DECLARE_F32_DWCONV_SPCHW_UKERNEL_FUNCTION(xnn_f32_dwconv_spchw_ukernel_3x3p1__sse)