ARM: tegra: Maintain state of WDT after resume same as before suspend

ARM: tegra: Maintain state of WDT after resume same as before suspend

Do not start WDT in resume if it was not running before suspend.

Bug 1737038

Change-Id: I18d56b86561220fe109f8f5e28aa2f0ebc901fae
Signed-off-by: Gagan Grover <ggrover@nvidia.com>
Reviewed-on: http://git-master/r/1026416
(cherry picked from commit b06471f35627c0897bb2597fb2b071baa1665c35)
Reviewed-on: http://git-master/r/1026593
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Tested-by: Laxman Dewangan <ldewangan@nvidia.com>