Fingerprint convolution-nchw kernels packing operations.

PiperOrigin-RevId: 836627217

Author: qukhan

include/experimental.h

@@ -155,6 +155,7 @@ enum xnn_status xnn_fingerprint_fully_connected_nc_pf16();
 enum xnn_status xnn_fingerprint_fully_connected_nc_pqs8_qc8w();
 enum xnn_status xnn_fingerprint_fully_connected_nc_qd8_f32_qb4w_f16_scales();
 enum xnn_status xnn_fingerprint_fully_connected_nc_qdu8_f32_qb4w_f16_scales();
+enum xnn_status xnn_fingerprint_convolution2d_nchw(enum xnn_fingerprint_id fingerprint_id);
 
 #ifdef __cplusplus
 }  // extern "C"