Enable USB_HUB_USB251XB

Change-Id: Id82f3a5ca93028339036f1eb432be057f8e38cb6
diff --git a/debian/defconfig b/debian/defconfig
index a394bc3..e992257 100644
--- a/debian/defconfig
+++ b/debian/defconfig
@@ -56,6 +56,7 @@
 CONFIG_SENSORS_INA233=m
 CONFIG_LEDS_KTD202X=y
 CONFIG_USB_USB5744=m
+CONFIG_USB_HUB_USB251XB=m
 CONFIG_I2C_MUX=y
 CONFIG_I2C_MUX_PCA954x=m
 CONFIG_INPUT_TOUCHSCREEN=y