NEON and SSE2 implementations of X32 UNPOOL micro-kernel

PiperOrigin-RevId: 306390729
diff --git a/BUILD.bazel b/BUILD.bazel
index 2ba2db6..a3184e9 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -653,6 +653,7 @@
     "src/u8-rmax/neon.c",
     "src/x32-packx/x4-neon-st4.c",
     "src/x32-pad/x2-neon.c",
+    "src/x32-unpool/neon.c",
     "src/x32-zip/x2-neon.c",
     "src/x32-zip/x3-neon.c",
     "src/x32-zip/x4-neon.c",
@@ -1033,6 +1034,7 @@
     "src/u8-maxpool/9p8x-minmax-sse2-c16.c",
     "src/u8-rmax/sse2.c",
     "src/x32-pad/x2-sse2.c",
+    "src/x32-unpool/sse2.c",
     "src/x32-zip/x2-sse2.c",
     "src/x32-zip/x3-sse2.c",
     "src/x32-zip/x4-sse2.c",