To allow the use of Qt applications started manually to use the
configured graphics system the setting needs to be available in user
environment. This moves the setting to /etc/profile.d ensuring it is
set and available. This allow the removal of x11-common as dependency.
(From OE-Core rev: 3804784b6200f82f5d8d6f533ce5e1a36ee2aeac)
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>