usb: musb: fix compile error

commit 35a83365da6aa10095c6138cc428c15853409c32
(usb: musb: drop unneeded musb_debug trickery)
introduced a compile error for blackfin and
tusb6010 glue layers. Fix it.

Reported-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index 95d75c0..ae8c396 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -35,6 +35,7 @@
  */
 void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src)
 {
+	struct musb *musb = hw_ep->musb;
 	void __iomem *fifo = hw_ep->fifo;
 	void __iomem *epio = hw_ep->regs;
 	u8 epnum = hw_ep->epnum;
@@ -98,6 +99,7 @@
  */
 void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *dst)
 {
+	struct musb *musb = hw_ep->musb;
 	void __iomem *fifo = hw_ep->fifo;
 	u8 epnum = hw_ep->epnum;
 
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c
index 2f683a6..b410357 100644
--- a/drivers/usb/musb/tusb6010.c
+++ b/drivers/usb/musb/tusb6010.c
@@ -172,6 +172,7 @@
 
 void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf)
 {
+	struct musb *musb = hw_ep->musb;
 	void __iomem	*ep_conf = hw_ep->conf;
 	void __iomem	*fifo = hw_ep->fifo;
 	u8		epnum = hw_ep->epnum;
@@ -221,6 +222,7 @@
 
 void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *buf)
 {
+	struct musb *musb = hw_ep->musb;
 	void __iomem	*ep_conf = hw_ep->conf;
 	void __iomem	*fifo = hw_ep->fifo;
 	u8		epnum = hw_ep->epnum;