Scalar 3x3s2c3 HWC dconv micro-kernel with 0+1 width padding

- Required to support Convolution with TF SAME padding

PiperOrigin-RevId: 283882009
diff --git a/src/xnnpack/conv.h b/src/xnnpack/conv.h
index 18774f4..d07838c 100644
--- a/src/xnnpack/conv.h
+++ b/src/xnnpack/conv.h
@@ -37,6 +37,7 @@
 
 DECLARE_F32_CONV_HWC_UKERNEL_FUNCTION(xnn_f32_conv_hwc_ukernel_3x3s2p1c3x8__neonfma_2x2)
 DECLARE_F32_CONV_HWC_UKERNEL_FUNCTION(xnn_f32_conv_hwc_ukernel_3x3s2p1c3x4__neonfma_2x2)
+DECLARE_F32_CONV_HWC_UKERNEL_FUNCTION(xnn_f32_conv_hwc_ukernel_3x3s2p0p1c3x4__scalar_1x1)
 DECLARE_F32_CONV_HWC_UKERNEL_FUNCTION(xnn_f32_conv_hwc_ukernel_3x3s2p1c3x4__scalar_1x1)