UBUNTU: Do not enable linked FW control power save by default

The rtl8723be wifi driver has been experiencing connectivity issues in
the Brix because of this feature, which is enabled by default. As power
saving is not a relevant feature there, we'd better turn it off instead.

[endlessm/eos-shell#4148]
UBUNTU: release 3.13.0-27.50endless9
UBUNTU: Start new release

Ignore: yes
Merge pull request #14 from endlessm/shell/4148

Do not enable linked FW control power save by default (3.13.0-27.50endless9)