watchdog: imx7ulp: Remove unused include of init.h

There is nothing in use from init.h, remove it.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Link: https://lore.kernel.org/r/1582250430-8872-2-git-send-email-Anson.Huang@nxp.com


Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>