ARM: rockchip: Select ARCH_HAS_RESET_CONTROLLER

All known Rockchip SoCs have a reset controller in their CRUs, so it's
helpful to have the reset controller framework selected by default,
only be deselected by the user in special cases.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-By: Max Schwarz <max.schwarz@online.de>
Tested-By: Max Schwarz <max.schwarz@online.de>
Signed-off-by: Mike Turquette <mturquette@linaro.org>