Refactor naming of DEPTHTOSPACE microkernels

Rename for consistency with other microkernels

PiperOrigin-RevId: 343444642
diff --git a/BUILD.bazel b/BUILD.bazel
index f945815..4285dd0 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -500,7 +500,7 @@
     "src/x8-zip/x3-scalar.c",
     "src/x8-zip/x4-scalar.c",
     "src/x8-zip/xm-scalar.c",
-    "src/x32-depth-to-space-chw2hwc/scalar.c",
+    "src/x32-depthtospace2d-chw2hwc/scalar.c",
     "src/x32-fill/scalar-float.c",
     "src/x32-fill/scalar-int.c",
     "src/x32-packx/x2-scalar.c",
@@ -6321,10 +6321,10 @@
 )
 
 xnnpack_unit_test(
-    name = "x32_depth_to_space_chw2hwc_test",
+    name = "x32_depthtospace2d_chw2hwc_test",
     srcs = [
-        "test/x32-depth-to-space-chw2hwc.cc",
-        "test/depth-to-space-microkernel-tester.h",
+        "test/x32-depthtospace2d-chw2hwc.cc",
+        "test/depthtospace-microkernel-tester.h",
     ] + MICROKERNEL_TEST_HDRS,
     deps = MICROKERNEL_TEST_DEPS,
 )