watchdog: sch311x_wdt: fix printk condition

"==" has higher precedence than "&".  Since
if (sch311x_sio_inb(sio_config_port, 0x30) & (0x01 == 0)) is always
false the message is never printed.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>