dts: Revert its addition for rk356x

Rockchip have two erratas (#3568001 and #3568002) for the GIC on RK356x.

Until we have a way to handle them revert the changes that uses ITS instead of
GIC for PCIe.

sys/contrib/device-tree/src/arm64/rockchip/rk3568.dtsi

@@ -152,7 +152,7 @@
 		compatible = "rockchip,rk3568-pcie";
 		#address-cells = <3>;
 		#size-cells = <2>;
-		bus-range = <0x10 0x1f>;
+		bus-range = <0x0 0xf>;
 		clocks = <&cru ACLK_PCIE30X1_MST>, <&cru ACLK_PCIE30X1_SLV>,
 			 <&cru ACLK_PCIE30X1_DBI>, <&cru PCLK_PCIE30X1>,
 			 <&cru CLK_PCIE30X1_AUX_NDFT>;
@@ -175,7 +175,7 @@
 		num-ib-windows = <6>;
 		num-ob-windows = <2>;
 		max-link-speed = <3>;
-		msi-map = <0x1000 &its 0x1000 0x1000>;
+		msi-map = <0x0 &gic 0x1000 0x1000>;
 		num-lanes = <1>;
 		phys = <&pcie30phy>;
 		phy-names = "pcie-phy";
@@ -205,7 +205,7 @@
 		compatible = "rockchip,rk3568-pcie";
 		#address-cells = <3>;
 		#size-cells = <2>;
-		bus-range = <0x20 0x2f>;
+		bus-range = <0x0 0xf>;
 		clocks = <&cru ACLK_PCIE30X2_MST>, <&cru ACLK_PCIE30X2_SLV>,
 			 <&cru ACLK_PCIE30X2_DBI>, <&cru PCLK_PCIE30X2>,
 			 <&cru CLK_PCIE30X2_AUX_NDFT>;
@@ -228,7 +228,7 @@
 		num-ib-windows = <6>;
 		num-ob-windows = <2>;
 		max-link-speed = <3>;
-		msi-map = <0x2000 &its 0x2000 0x1000>;
+		msi-map = <0x0 &gic 0x2000 0x1000>;
 		num-lanes = <2>;
 		phys = <&pcie30phy>;
 		phy-names = "pcie-phy";

sys/contrib/device-tree/src/arm64/rockchip/rk356x-base.dtsi

@@ -283,18 +283,6 @@
 		mbi-alias = <0x0 0xfd410000>;
 		mbi-ranges = <296 24>;
 		msi-controller;
-		ranges;
-		#address-cells = <2>;
-		#size-cells = <2>;
-		dma-noncoherent;
-
-		its: msi-controller@fd440000 {
-			compatible = "arm,gic-v3-its";
-			reg = <0x0 0xfd440000 0 0x20000>;
-			dma-noncoherent;
-			msi-controller;
-			#msi-cells = <1>;
-		};
 	};
 
 	usb_host0_ehci: usb@fd800000 {
@@ -968,7 +956,7 @@
 		num-ib-windows = <6>;
 		num-ob-windows = <2>;
 		max-link-speed = <2>;
-		msi-map = <0x0 &its 0x0 0x1000>;
+		msi-map = <0x0 &gic 0x0 0x1000>;
 		num-lanes = <1>;
 		phys = <&combphy2 PHY_TYPE_PCIE>;
 		phy-names = "pcie-phy";