ARM: dts: dra71x: Disable usb4_tm target module

usb4_tm is unsed on dra71 and accessing the module
with ti,sysc is causing a boot crash hence disable its target
module.

Fixes: 549fce068a ("ARM: dts: dra7: Add l4 interconnect hierarchy and ti-sysc data")
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/dra71x.dtsi

@@ -11,3 +11,7 @@
 &rtctarget {
 	status = "disabled";
 };
+
+&usb4_tm {
+	status = "disabled";
+};