usb: gadget: f_rndis: Set rndis vendor parameters

Add a variant of rndis_bind_config to let gadget drivers change
rndis vendorID and manufacturer parameters.

Signed-off-by: Benoit Goby <benoit@android.com>
diff --git a/drivers/usb/gadget/u_ether.h b/drivers/usb/gadget/u_ether.h
index 059d017..37431f5 100644
--- a/drivers/usb/gadget/u_ether.h
+++ b/drivers/usb/gadget/u_ether.h
@@ -103,6 +103,8 @@
 #ifdef USB_ETH_RNDIS
 
 int rndis_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN]);
+int rndis_bind_config_vendor(struct usb_configuration *c, u8 ethaddr[ETH_ALEN],
+				u32 vendorID, const char *manufacturer);
 
 #else
 
@@ -112,6 +114,13 @@
 	return 0;
 }
 
+static inline int
+rndis_bind_config_vendor(struct usb_configuration *c, u8 ethaddr[ETH_ALEN],
+				u32 vendorID, const char *manufacturer)
+{
+	return 0;
+}
+
 #endif
 
 #endif /* __U_ETHER_H */