small change

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
[util] some c++ utility functions

Functions purpose is to work with default statefs paths

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
[power-emu] power emulation inout provider

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>