ARM: tegra: make bounce buffer option common

All Tegra devices will need CONFIG_BOUNCE_BUFFER. Move it to
tegra-common.h to ensure it's always set.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>

include/configs/tegra-common.h

@@ -155,4 +155,7 @@
 #define CONFIG_SPL_SERIAL_SUPPORT
 #define CONFIG_SPL_GPIO_SUPPORT
 
+/* Misc utility code */
+#define CONFIG_BOUNCE_BUFFER
+
 #endif /* _TEGRA_COMMON_H_ */

include/configs/tegra20-common.h

@@ -114,7 +114,4 @@
 #define CONFIG_SYS_NAND_SELF_INIT
 #define CONFIG_SYS_NAND_ONFI_DETECTION
 
-/* Misc utility code */
-#define CONFIG_BOUNCE_BUFFER
-
 #endif /* _TEGRA20_COMMON_H_ */

include/configs/tegra30-common.h

@@ -86,7 +86,4 @@
 /* Total I2C ports on Tegra30 */
 #define TEGRA_I2C_NUM_CONTROLLERS	5
 
-/* Misc utility code */
-#define CONFIG_BOUNCE_BUFFER
-
 #endif /* _TEGRA30_COMMON_H_ */