Watchdog usage on MPC5200B platform

[Juergen Beisert]

Hi,

has anybody an idea why when I'm using drivers/watchdog/mpc5200_wdt.c, the 
system freezes instead of doing a restart?

When I'm running the "reboot" command it does a restart as expected.

For both cases the same hardware will be used (WDT in timer at 600 marked 
with "fsl,has-wdt" in the oftree).

Regards
Juergen

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