tegra: i2c: Select number of controllers for Tegra2 boards

The Tegra 2x SOC has four ports, so define TEGRA_I2C_NUM_CONTROLLERS
in the shared config file.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Tom Warren <twarren@nvidia.com>
1 file changed