Add phosphor-hostlogger plugin to dreport

phosphor-hostlogger project stores host's console output data, such as
boot logs or Linux kernel messages printed to the system console.
https://github.com/openbmc/phosphor-hostlogger



Tested: Run dreport inside the BMC console, the result dump archive must
contains host console logs.

Change-Id: Icc45888a43b42de78c93aa0bc0ba7a295f0a76e3
Signed-off-by: Artem Senichev <artemsen@gmail.com>
Tested-by: Artem Senichev <artemsen@gmail.com>