[PATCH] staging: wusbcore: Fix build error without CONFIG_USB

[YueHaibing]

USB_WUSB should depends on CONFIG_USB, otherwise building fails

drivers/staging/wusbcore/wusbhc.o: In function `wusbhc_giveback_urb':
wusbhc.c:(.text+0xa28): undefined reference to `usb_hcd_giveback_urb'

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Fixes: 71ed79b0e4be ("USB: Move wusbcore and UWB to staging as it is obsolete")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 drivers/staging/wusbcore/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/wusbcore/Kconfig b/drivers/staging/wusbcore/Kconfig
index 056c60b..a559d02 100644
--- a/drivers/staging/wusbcore/Kconfig
+++ b/drivers/staging/wusbcore/Kconfig
@@ -4,7 +4,7 @@
 #
 config USB_WUSB
 	tristate "Enable Wireless USB extensions"
-	depends on UWB
+	depends on UWB && USB
 	select CRYPTO
 	select CRYPTO_AES
 	select CRYPTO_CCM
-- 
2.7.4