armv8: ls1043: Enable CONFIG_DM_USB in defconfigs

Enables driver model flag CONFIG_DM_USB for LS1043A
platform defconfigs.

Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/configs/ls1043ardb_sdcard_defconfig b/configs/ls1043ardb_sdcard_defconfig
index 323bb77..50f8532 100644
--- a/configs/ls1043ardb_sdcard_defconfig
+++ b/configs/ls1043ardb_sdcard_defconfig
@@ -36,4 +36,5 @@
 CONFIG_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_DM_USB=y
 CONFIG_USB_STORAGE=y