Consolidate per MODEL_SPEC.md convention

.gitattributes

@@ -35,3 +35,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
 xnnpack/whisper_tiny_en_xnnpack.pte filter=lfs diff=lfs merge=lfs -text
 xnnpack/whisper_tiny_en_xnnpack_fp32.pte filter=lfs diff=lfs merge=lfs -text
+xnnpack/whisper_tiny_en_xnnpack_int8.pte filter=lfs diff=lfs merge=lfs -text

xnnpack/whisper_tiny_en_xnnpack_int8.pte

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:445e0ab2bbeee72da73c7d8301855e9f59d68893ae5ded98289516914f015652
+size 175868672