rockchip: rk3066a/rk3188: use includes from dts/upstream

The clock and power DT includes for rk3066a and rk3188 are now
available in the dts/upstream directory, so remove the ones that
are now redundant.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
5 files changed