Submodule update for meta-genivi-demo to 87dd28e.
Submodule update for meta-genivi-demo to 87dd28e.

Shortlog of the changes inside meta-genivi-demo:
- 87dd28e (origin/master) Updated Maintainers file
- 72590b Koelsch and Porter now use same meta-renesas commit, updated README

GENIVI/genivi-dev-platform,gunnarx/genivi-dev-platform,PeterWinzell/genivi-dev-platform,gunnarx/genivi-dev-platform,chbae/genivi-dev-platform,Forestscribe/genivi-dev-platform,gunnarx/genivi-dev-platform,chbae/genivi-dev-platform,DunderRoffe/genivi-dev-platform,PeterWinzell/genivi-dev-platform,DunderRoffe/genivi-dev-platform,DunderRoffe/genivi-dev-platform,Forestscribe/genivi-dev-platform,chbae/genivi-dev-platform,GENIVI/genivi-dev-platform,GENIVI/genivi-dev-platform,DunderRoffe/genivi-dev-platform,PeterWinzell/genivi-dev-platform,GENIVI/genivi-dev-platform,Forestscribe/genivi-dev-platform,gunnarx/genivi-dev-platform,DunderRoffe/genivi-dev-platform,chbae/genivi-dev-platform