xbmc: add upstream fixes

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge remote-tracking branch 'upstream/master'
xbmc: add PR2403

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/ATV: dont install upower, not needed after XBMC-PR2403

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge remote-tracking branch 'upstream/master'