Tegra114 has the GPIO controllers with 8 GPIO bank and each bank
supports 32 pins.

Add DT entry for GPIO controller. Tegra114 GPIO controller is
compatible with Tegra30 GPIO controller driver.
Signed-off-by: NLaxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: NStephen Warren <swarren@nvidia.com>