the bootstrap does not need CamelCase includes, deprecated headers and
whatnot, so just don't do it. the full thing will be run on qtbase by
qmake.

Change-Id: Idffdd4750a73574c8c32ee75d00080abfe37e03c
Reviewed-by: Joerg Bornemann <joerg.bornemann@nokia.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>