[PATCH] usb: gadget: bcm63xx_udc: fix up the error of undeclared usb_debug_root

[Chunfeng Yun]

Fix up the build error caused by undeclared usb_debug_root

Cc: stable <stable@xxxxxxxxxxxxxxx>
Fixes: a66ada4f241c("usb: gadget: bcm63xx_udc: create debugfs directory under usb root")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
---
 drivers/usb/gadget/udc/bcm63xx_udc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/gadget/udc/bcm63xx_udc.c b/drivers/usb/gadget/udc/bcm63xx_udc.c
index feaec00..9cd4a70 100644
--- a/drivers/usb/gadget/udc/bcm63xx_udc.c
+++ b/drivers/usb/gadget/udc/bcm63xx_udc.c
@@ -26,6 +26,7 @@
 #include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/timer.h>
+#include <linux/usb.h>
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
 #include <linux/workqueue.h>
-- 
1.9.1