clk: rockchip: rk3568: add stubs for CLK_PCIEPHY_REF clocks

Device tree contains assigned-clock-rates property for these,
but default value will work just fine

Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
1 file changed