bazel: Fix missing deps in some modules

Change-Id: I773ff8435c7b0f719b16538c16c424a8dd30d8ff
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/160376
Commit-Queue: Auto-Submit <auto-submit@pigweed-service-accounts.iam.gserviceaccount.com>
Pigweed-Auto-Submit: Austin Foxley <afoxley@google.com>
Reviewed-by: Ted Pudlik <tpudlik@google.com>
diff --git a/pw_async/BUILD.bazel b/pw_async/BUILD.bazel
index 6e9148a..d444fe2 100644
--- a/pw_async/BUILD.bazel
+++ b/pw_async/BUILD.bazel
@@ -122,5 +122,6 @@
         ":dispatcher",
         ":task",
         ":types",
+        "//pw_result",
     ],
 )
diff --git a/pw_hdlc/BUILD.bazel b/pw_hdlc/BUILD.bazel
index dd30395..8fb126f 100644
--- a/pw_hdlc/BUILD.bazel
+++ b/pw_hdlc/BUILD.bazel
@@ -67,6 +67,7 @@
     deps = [
         ":pw_hdlc",
         "//pw_rpc",
+        "//pw_sys_io",
     ],
 )