BLE Host - Don't change enc status on SMP timeout.
BLE Host - Don't change enc status on SMP timeout.

X-Original-Commit: 3550530574c04da35d028641ec20c1e2f9c78ae3

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