watchdog: pika_wdt: drop pointless static qualifier in pikawdt_init

There is no need to have the 'post1' variable static since
new value always be assigned before use it.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

drivers/watchdog/pika_wdt.c

@@ -225,7 +225,7 @@ static int __init pikawdt_init(void)
 {
 	struct device_node *np;
 	void __iomem *fpga;
-	static u32 post1;
+	u32 post1;
 	int ret;
 
 	np = of_find_compatible_node(NULL, NULL, "pika,fpga");