arm64: zynqmp: Setup clock for DP and DPDMA

Clocks are coming from shared HW design where these frequencies should be
aligned with PLL setup.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/04454c50d0d13e450976942085d763ab5aa38f98.1645629459.git.michal.simek@xilinx.com
diff --git a/arch/arm/dts/zynqmp-sck-kv-g-revB.dts b/arch/arm/dts/zynqmp-sck-kv-g-revB.dts
index 01b14eb..35247b0 100644
--- a/arch/arm/dts/zynqmp-sck-kv-g-revB.dts
+++ b/arch/arm/dts/zynqmp-sck-kv-g-revB.dts
@@ -95,10 +95,12 @@
 	status = "disabled";
 	phy-names = "dp-phy0", "dp-phy1";
 	phys = <&psgtr 1 PHY_TYPE_DP 0 0>, <&psgtr 0 PHY_TYPE_DP 1 0>;
+	assigned-clock-rates = <27000000>, <25000000>, <300000000>;
 };
 
 &zynqmp_dpdma {
 	status = "okay";
+	assigned-clock-rates = <600000000>;
 };
 
 &usb0 {