tegra: Enable generic board for Tegra

Bravely enable CONFIG_SYS_GENERIC_BOARD for all Tegra boards.

Signed-off-by: Simon Glass <sjg@chromium.org>

include/configs/tegra-common.h

@@ -157,4 +157,6 @@
 #define CONFIG_SPL_SERIAL_SUPPORT
 #define CONFIG_SPL_GPIO_SUPPORT
 
+#define CONFIG_SYS_GENERIC_BOARD
+
 #endif /* _TEGRA_COMMON_H_ */