Tegra: Config: Enable Tegra30/Tegra114 USB function

Add USB EHCI, storage and network support.

Tested on Tegra30 Cardhu, and Tegra114 Dalmore
platforms. All works well.

Signed-off-by: Jim Lin <jilin@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/include/configs/tegra30-common.h b/include/configs/tegra30-common.h
index ed36e11..7ea36be 100644
--- a/include/configs/tegra30-common.h
+++ b/include/configs/tegra30-common.h
@@ -90,4 +90,7 @@
 /* Total I2C ports on Tegra30 */
 #define TEGRA_I2C_NUM_CONTROLLERS	5
 
+/* For USB EHCI controller */
+#define CONFIG_EHCI_IS_TDI
+
 #endif /* _TEGRA30_COMMON_H_ */