nimble/mesh: Use fast advertising interval for BT5 controllers
nimble/mesh: Use fast advertising interval for BT5 controllers

X-Original-Commit: 277a1488f90ad191f370a65a14863b09bc5b5b3a

apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble