[WATCHDOG] watchdog_info constify

make the watchdog_info struct const where possible.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/drivers/watchdog/cpwd.c b/drivers/watchdog/cpwd.c
index 081f295..37ea052 100644
--- a/drivers/watchdog/cpwd.c
+++ b/drivers/watchdog/cpwd.c
@@ -403,7 +403,7 @@
 
 static long cpwd_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	static struct watchdog_info info = {
+	static const struct watchdog_info info = {
 		.options		= WDIOF_SETTIMEOUT,
 		.firmware_version	= 1,
 		.identity		= DRIVER_NAME,