arm: mach-k3: am6_init: Fix the path and value's length in the fixup performed for usb boot

The node name of the bus in the device tree has changed. Also, the length
argument to be passed should be the length of new value. Therefore, fix the
path to usb device tree node as well as the length argument passed.

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
diff --git a/arch/arm/mach-k3/am6_init.c b/arch/arm/mach-k3/am6_init.c
index 86c1a34..7992918 100644
--- a/arch/arm/mach-k3/am6_init.c
+++ b/arch/arm/mach-k3/am6_init.c
@@ -127,8 +127,8 @@
 		 * before the dwc3 bind takes place
 		 */
 		ret = fdt_find_and_setprop((void *)gd->fdt_blob,
-				"/interconnect@100000/dwc3@4000000/usb@10000",
-				"dr_mode", "host", 11, 0);
+				"/bus@100000/dwc3@4000000/usb@10000",
+				"dr_mode", "host", 5, 0);
 		if (ret)
 			printf("%s: fdt_find_and_setprop() failed:%d\n", __func__,
 			       ret);