configs: p1020: enable CONFIG_DM_USB support

Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/configs/P1020RDB-PC_NAND_defconfig b/configs/P1020RDB-PC_NAND_defconfig
index 5d697f1..d8cd9a1 100644
--- a/configs/P1020RDB-PC_NAND_defconfig
+++ b/configs/P1020RDB-PC_NAND_defconfig
@@ -72,3 +72,4 @@
 CONFIG_SPI=y
 CONFIG_FSL_ESPI=y
 CONFIG_USB=y
+CONFIG_DM_USB=y