Consistently use WITH_QTDBUS instead of USE_DBUS
USE_DBUS still uses an hardcoded list of architectures, whereas there is already WITH_QTDBUS defined in case the D-Bus support is available.
Followup of commit 6bdab620.
USE_DBUS still uses an hardcoded list of architectures, whereas there is already WITH_QTDBUS defined in case the D-Bus support is available.
Followup of commit 6bdab620.