Add `simd_util` to `examples/all`

examples/all/all_main.odin

@@ -115,6 +115,7 @@ import relative         "core:relative"
 import reflect          "core:reflect"
 import runtime          "base:runtime"
 import simd             "core:simd"
+import simd_util        "core:simd/util"
 import x86              "core:simd/x86"
 import slice            "core:slice"
 import slice_heap       "core:slice/heap"
@@ -237,6 +238,7 @@ _ :: relative
 _ :: reflect
 _ :: runtime
 _ :: simd
+_ :: simd_util
 _ :: x86
 _ :: slice
 _ :: slice_heap