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>
diff --git a/drivers/net/irda/act200l-sir.c b/drivers/net/irda/act200l-sir.c
index 37ab8c8..8ff084f 100644
--- a/drivers/net/irda/act200l-sir.c
+++ b/drivers/net/irda/act200l-sir.c
@@ -199,7 +199,7 @@
 {
 	unsigned state = dev->fsm.substate;
 	unsigned delay = 0;
-	u8 control[9] = {
+	static const u8 control[9] = {
 		ACT200L_REG15,
 		ACT200L_REG13 | ACT200L_SHDW,
 		ACT200L_REG21 | ACT200L_EXCK | ACT200L_OSCL,