arm: dts: rockchip: rk3288: partial sync edp node

The rk3288 edp node has a phy node in Linux with a clock
property while current U-Boot driver expects this clock
on position index 1. Move U-Boot-specific DT clock properties
to rk3288-u-boot.dtsi and partially sync the edp node.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>  # chromebook-jerry
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk3288-u-boot.dtsi b/arch/arm/dts/rk3288-u-boot.dtsi
index 1894162..1920698 100644
--- a/arch/arm/dts/rk3288-u-boot.dtsi
+++ b/arch/arm/dts/rk3288-u-boot.dtsi
@@ -91,6 +91,11 @@
 	bootph-all;
 };
 
+&edp {
+	clocks = <&cru SCLK_EDP>, <&cru SCLK_EDP_24M>, <&cru PCLK_EDP_CTRL>;
+	clock-names = "clk_edp", "clk_edp_24m", "pclk_edp";
+};
+
 &gpio7 {
 	bootph-all;
 };