i.MX/WD: setup the watchdog according to its datasheet
From earlier SoCs like the i.MX21 up to i.MX7 their datasheets states
after reset the watchdog timer has to be set first prior enabling the
watchdog itself. This change do it this way.

Signed-off-by: Juergen Borleis <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 5f7e0d1 commit 8b1b75441d415de7c73b6f68dd2e29b7e0ead9fb
@Juergen Borleis Juergen Borleis authored on 7 Jun 2017
Sascha Hauer committed on 7 Jun 2017
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drivers/watchdog/imxwd.c