arch/powerpc/cpu/mpc5xxx/usb_ohci.c: fix GCC 4.6 build warnings

Fix:
usb_ohci.c: In function 'dl_transfer_length':
usb_ohci.c:751:8: warning: variable 'tdINFO' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Wolfgang Denk <wd@denx.de>

arch/powerpc/cpu/mpc5xxx/usb_ohci.c

@@ -748,10 +748,9 @@ static void td_submit_job (struct usb_device *dev, unsigned long pipe, void *buf
 
 static void dl_transfer_length(td_t * td)
 {
-	__u32 tdINFO, tdBE, tdCBP;
+	__u32 tdBE, tdCBP;
 	urb_priv_t *lurb_priv = &urb_priv;
 
-	tdINFO = ohci_cpu_to_le32 (td->hwINFO);
 	tdBE   = ohci_cpu_to_le32 (td->hwBE);
 	tdCBP  = ohci_cpu_to_le32 (td->hwCBP);