Add nhwc axmodel

.gitattributes

@@ -37,3 +37,4 @@ AX620E/ax_ax620e_emd_algo_V1.0.0.axmodel filter=lfs diff=lfs merge=lfs -text
 AX650/ax_ax650_emd_algo_V1.0.0.axmodel filter=lfs diff=lfs merge=lfs -text
 out.jpg filter=lfs diff=lfs merge=lfs -text
 test.jpg filter=lfs diff=lfs merge=lfs -text
+*.axmodel filter=lfs diff=lfs merge=lfs -text

AX620E/ax_ax620e_emd_algo_rgb_nhwc_V1.0.0.axmodel

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:24ce83028e7801c781e7a390c7d79615c440fdfed3339e4471e8f32ce283453a
+size 1119498

AX650/ax_ax650_emd_algo_rgb_nhwc_V1.0.0.axmodel

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f55828372648ca082afe100aed0b0161b13fd9de53a3ae117e50194a70dad470
+size 1266176