ARM: tegra: Unify tegra{20,30,114}_init_early()

Refactored tegra{20,30,114}_init_early() so that we have the unified
tegra_init_early().

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
7 files changed