USB: gadget: Add HSUART transport for RMNET & DUN

HSUART transport can be used for communication
between MSM and MDM. Modify RMNET & DUN drivers to
support communication over HSUART transport.

CRs-Fixed: 355162
Change-Id: Idad2ab1b32d873cc055436537eed1715c92ceb90
Signed-off-by: Vijayavardhan Vennapusa <vvreddy@codeaurora.org>
Signed-off-by: Chiranjeevi Velempati <cvelempa@codeaurora.org>
diff --git a/drivers/usb/gadget/android.c b/drivers/usb/gadget/android.c
index f4ca8e1..92e95a6 100644
--- a/drivers/usb/gadget/android.c
+++ b/drivers/usb/gadget/android.c
@@ -61,6 +61,8 @@
 #include "u_rmnet_ctrl_smd.c"
 #include "u_ctrl_hsic.c"
 #include "u_data_hsic.c"
+#include "u_ctrl_hsuart.c"
+#include "u_data_hsuart.c"
 #include "f_serial.c"
 #include "f_acm.c"
 #include "f_adb.c"