While the rk3066 does have 2 camera interfaces, the rk3188 does not, so
there also isn't a QoS block for that non-existing interface, so remove it.

Fixes: e6e1869f ("ARM: dts: rockchip: add rk3066/rk3188 power-domains")
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>