clk: rockchip: switch to using the new cpuclk type for armclk

This adds the necessary soc-specific divider values and switches the armclk
to use the newly introduced cpuclk type.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Tested-by: Doug Anderson <dianders@chromium.org>

diff --cc drivers/clk/rockchip/clk-rk3188.c
Simple merge

diff --cc drivers/clk/rockchip/clk-rk3288.c
Simple merge