Add D-Bus signals for led pattern active state changes
Add D-Bus signals for led pattern active state changes

Emitted when pattern is activated/deactivated within mce.

[mce-headers] Add D-Bus signals for led pattern active state changes

spiiroin/mce-dev,android-808/mce-dev,spiiroin/mce-dev,kimmoli/mce-dev,android-808/mce-dev,kimmoli/mce-dev