platform: nvadsp: disable second wdt interrupt

platform: nvadsp: disable second wdt interrupt

There is a second wdt interrupt that is being generated when asserting the
resets. As a software workaround, disable wdt interrupt assert the clocks and
then clear the pending or active wdt interrupt and then restart the ADSP.

Bug 200031683

Change-Id: Icda2cd776488f9b0e03914b7c125b061924d4b17
Signed-off-by: Ajay Nandakumar <anandakumarm@nvidia.com>
Reviewed-on: http://git-master/r/493975
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Nitin Kumbhar <nkumbhar@nvidia.com>