[cleanup] Typo fix on GetLoadFieldByIndex's comment

Bug: v8:11384
Change-Id: I00754c295cd7b0de11f7ae039b423abfb9db5716
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2682643
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Auto-Submit: Santiago Aboy Solanes <solanes@chromium.org>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72575}

src/objects/field-index-inl.h

@@ -39,7 +39,7 @@ FieldIndex FieldIndex::ForPropertyIndex(Map map, int property_index,
                     first_inobject_offset);
 }
 
-// Returns the index format accepted by the HLoadFieldByIndex instruction.
+// Returns the index format accepted by the LoadFieldByIndex instruction.
 // (In-object: zero-based from (object start + JSObject::kHeaderSize),
 // out-of-object: zero-based from FixedArray::kHeaderSize.)
 int FieldIndex::GetLoadByFieldIndex() const {