rockchip: firefly: configs: use spl back to brom

Keep it same with other boards otherwise i have to write special script for it..

Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

configs/firefly-rk3288_defconfig

@@ -2,6 +2,7 @@ CONFIG_ARM=y
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_ROCKCHIP_RK3288=y
+CONFIG_ROCKCHIP_SPL_BACK_TO_BROM=y
 CONFIG_TARGET_FIREFLY_RK3288=y
 CONFIG_SPL_STACK_R_ADDR=0x80000
 CONFIG_DEFAULT_DEVICE_TREE="rk3288-firefly"
@@ -70,4 +71,3 @@ CONFIG_CONSOLE_SCROLL_LINES=10
 CONFIG_USE_TINY_PRINTF=y
 CONFIG_CMD_DHRYSTONE=y
 CONFIG_ERRNO_STR=y
-# CONFIG_SPL_OF_LIBFDT is not set

include/configs/firefly-rk3288.h

@@ -16,11 +16,6 @@
 
 #define CONFIG_ENV_IS_IN_MMC
 #define CONFIG_SYS_MMC_ENV_DEV 0
-/* SPL @ 32k for ~36k
- * ENV @ 96k
- * u-boot @ 128K
- */
-#define CONFIG_ENV_OFFSET (96 * 1024)
 
 #define CONFIG_SYS_WHITE_ON_BLACK