ARM: tegra: remove duplicate select USE_OF

ARCH_TEGRA (arch/arm/Kconfig) now selects USE_OF, so there's not need
for ARCH_TEGRA_3x_SOC to do so too.
Signed-off-by: NStephen Warren <swarren@nvidia.com>

arch/arm/mach-tegra/Kconfig

@@ -34,7 +34,6 @@ config ARCH_TEGRA_3x_SOC
 	select USB_ARCH_HAS_EHCI if USB_SUPPORT
 	select USB_ULPI if USB
 	select USB_ULPI_VIEWPORT if USB_SUPPORT
-	select USE_OF
 	select ARM_ERRATA_743622
 	select ARM_ERRATA_751472
 	select ARM_ERRATA_754322