drivers/net/*.c: 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>
diff --git a/drivers/net/hp.c b/drivers/net/hp.c
index d15d2f2..ef20143 100644
--- a/drivers/net/hp.c
+++ b/drivers/net/hp.c
@@ -162,9 +162,9 @@
 
 	/* Snarf the interrupt now.  Someday this could be moved to open(). */
 	if (dev->irq < 2) {
-		int irq_16list[] = { 11, 10, 5, 3, 4, 7, 9, 0};
-		int irq_8list[] = { 7, 5, 3, 4, 9, 0};
-		int *irqp = wordmode ? irq_16list : irq_8list;
+		static const int irq_16list[] = { 11, 10, 5, 3, 4, 7, 9, 0};
+		static const int irq_8list[] = { 7, 5, 3, 4, 9, 0};
+		const int *irqp = wordmode ? irq_16list : irq_8list;
 		do {
 			int irq = *irqp;
 			if (request_irq (irq, NULL, 0, "bogus", NULL) != -EBUSY) {