drivers/net/*/: Use static const

Using static const generally increases object text and decreases data size.
It also generally decreases overall object size.

Signed-off-by: Joe Perches <joe@perches.com>

drivers/net/can/sja1000/plx_pci.c

@@ -383,7 +383,7 @@ static void plx_pci_reset_marathon(struct pci_dev *pdev)
 {
 	void __iomem *reset_addr;
 	int i;
-	int reset_bar[2] = {3, 5};
+	static const int reset_bar[2] = {3, 5};
 
 	plx_pci_reset_common(pdev);