ARM: dts: stih410-b2260: Sync DT with kernel v5.2

Synchronize U-boot DT with kernel v5.2 for stih410-b2260.
Update stih410-b2260-u-boot.dtsi accordingly.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/arch/arm/dts/stih410-b2260-u-boot.dtsi b/arch/arm/dts/stih410-b2260-u-boot.dtsi
index 8391631..897c421 100644
--- a/arch/arm/dts/stih410-b2260-u-boot.dtsi
+++ b/arch/arm/dts/stih410-b2260-u-boot.dtsi
@@ -9,8 +9,25 @@
 	soc {
 		st_dwc3: dwc3@8f94000 {
 			dwc3: dwc3@9900000 {
+				dr_mode	= "peripheral";
 				phys = <&usb2_picophy0>;
 			};
 		};
+
+		ohci0: usb@9a03c00 {
+			compatible = "generic-ohci";
+		};
+
+		ehci0: usb@9a03e00 {
+			compatible = "generic-ehci";
+		};
+
+		ohci1: usb@9a83c00 {
+			compatible = "generic-ohci";
+		};
+
+		ehci1: usb@9a83e00 {
+			compatible = "generic-ehci";
+		};
 	};
 };