[FORK][FIX][x64] enable ncx8c->ncx8c support for small input channel in jit sse41 conv

CVS-ticket https://jira.devtools.intel.com/browse/CVS-125793
openvino PR openvinotoolkit/openvino#23232

Signed-off-by: HU Yuan2 <yuan2.hu@intel.com>

Author: tiger100256-hu

src/cpu/x64/jit_sse41_conv_kernel_f32.cpp

@@ -492,7 +492,7 @@ status_t jit_sse41_conv_fwd_kernel_f32::init_conf(jit_conv_conf_t &jcp,
             sum_requires_scale_one, sum_requires_zp_zero));
     if (!post_ops_ok_) return status::unimplemented;
 
-    const bool flat = one_of(jcp.ic, 1, 2, 3);
+    const bool flat = one_of(jcp.ic, 1, 2, 3) && (jcp.src_tag != dat_tag_nCx8c);
     const bool mimo = !flat;
 
     bool args_ok = true

src/cpu/x64/jit_sse41_convolution.hpp

@@ -85,7 +85,7 @@ struct jit_sse41_convolution_fwd_t : public primitive_t {
                     && IMPLICATION(curr_dst_tag != dat_tag_nxc,
                             dst_d.format_kind() == format_kind::any)
                     && utils::one_of(dat_tag_nxc, curr_src_tag, curr_dst_tag);
-            const bool flat = utils::one_of(IC(), 1, 2, 3);
+            const bool flat = utils::one_of(IC(), 1, 2, 3) && (curr_src_tag != dat_tag_nCx8c);
             auto src_tag = is_data_layout_nxc ? dat_tag_nxc
                     : flat                    ? dat_tag_ncx
                                               : dat_tag_nCx8c;