TC35815: Fix build

bea3348e broke the build of tc35815.c
for the non-NAPI case:

  CC      drivers/net/tc35815.o
drivers/net/tc35815.c: In function 'tc35815_interrupt':
drivers/net/tc35815.c:1464: error: redefinition of 'lp'
drivers/net/tc35815.c:1443: error: previous definition of 'lp' was here
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/net/tc35815.c

@@ -1461,7 +1461,6 @@ static irqreturn_t tc35815_interrupt(int irq, void *dev_id)
 	}
 	return IRQ_NONE;
 #else
-	struct tc35815_local *lp = dev->priv;
 	int handled;
 	u32 status;