Squashed 'external/devlib/' changes from 795c0f233..6fe78b4d4

6fe78b4d4 module/cpufreq: Sort list of frequencies
5bda1c0ee host: add host attribute to LocalConnection
0465a75c5 devlib/trace/ftrace.py: Fix reset and stop states

git-subtree-dir: external/devlib
git-subtree-split: 6fe78b4d47861bc8234f80bcc293168e32340a23