[roll third_party/pigweed] pw_bluetooth: Add 3 Event packets & format hci.emb

- ReadRemoteVersionInfoCompleteEvent
- ReadRemoteExtendedFeaturesCompleteEvent
- LEReadRemoteFeaturesCompleteSubevent

Also add enums
- CoreSpecificationVersion
- LEFeatureSet

Test: pw presubmit --step gn_emboss_build
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/157663

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 2ddb378fedc39f3..e89ac8201c40a93
Roller-URL: https://ci.chromium.org/b/8774670152064193969
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If3fa2f665df3efbd99f0bb3406671a1c5506002d
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/158691
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 2ddb378..e89ac82 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 2ddb378fedc39f3ab988226eda63f339ed64b4ba
+Subproject commit e89ac8201c40a9360f15bcbf0a9ffd77c160d1e8