gpio: tegra: Use NOIRQ phase for suspend/resume

All GPIO interrupts are disabled during of the NOIRQ suspend/resume
phase, thus there is no need to manually disable the interrupts. This
patch doesn't fix any problem, this is just a minor clean-up.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>