net: altera_tse: Zap unused variable

Zap variable which is set but never used.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Tested-by: Thomas Chou <thomas@wytron.com.tw>

drivers/net/altera_tse.c

@@ -182,12 +182,10 @@ static int alt_sgdma_do_sync_transfer(volatile struct alt_sgdma_registers *dev,
 static int alt_sgdma_do_async_transfer(volatile struct alt_sgdma_registers *dev,
 				volatile struct alt_sgdma_descriptor *desc)
 {
-	unsigned int status;
 	int counter = 0;
 
 	/* Wait for any pending transfers to complete */
 	alt_sgdma_print_desc(desc);
-	status = dev->status;
 
 	counter = 0;
 	while (dev->status & ALT_SGDMA_STATUS_BUSY_MSK) {