OpenThread recipe updates and cleanups in preparation for upstreaming

This touches on the various OpenThread rcipes to update to newer SRCREV as well as cleaning up the recipes for upstreaming.See the individual commit messages for details.

meta-oniro-staging/recipes-connectivity/openthread/ot-br-posix/0001-web-service-ot-client-add-needed-header-for-fd_set-c.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] web-service/ot-client: add needed header for fd_set() call
 The select.h header file is needed for fd_set(). Depending on the
 compiler and settings this will result in an error when not included.
 
-Upstream-Status: Pending
+Upstream-Status: Submitted [https://github.com/openthread/ot-br-posix/pull/1326]
 
 Signed-off-by: Stefan Schmidt <stefan.schmidt@huawei.com>
 ---