rockchip: firefly-rk3288: Enable TPL support

This patch enable TPL support for firefly-rk3288 board, which works ths
same way with other RK3288 board like Tinker, evb.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/configs/firefly-rk3288_defconfig b/configs/firefly-rk3288_defconfig
index 29935d8..64a83a1 100644
--- a/configs/firefly-rk3288_defconfig
+++ b/configs/firefly-rk3288_defconfig
@@ -1,15 +1,14 @@
 CONFIG_ARM=y
 CONFIG_ARCH_ROCKCHIP=y
-CONFIG_SYS_TEXT_BASE=0x00000000
+CONFIG_SYS_TEXT_BASE=0x01000000
 CONFIG_ROCKCHIP_RK3288=y
-CONFIG_SPL_ROCKCHIP_BACK_TO_BROM=y
 CONFIG_TARGET_FIREFLY_RK3288=y
 CONFIG_NR_DRAM_BANKS=1
+CONFIG_SPL_SIZE_LIMIT=262144
 CONFIG_SPL_STACK_R_ADDR=0x80000
 CONFIG_DEBUG_UART_BASE=0xff690000
 CONFIG_DEBUG_UART_CLOCK=24000000
 CONFIG_DEBUG_UART=y
-CONFIG_SPL_TEXT_BASE=0xff704000
 # CONFIG_ANDROID_BOOT_IMAGE is not set
 CONFIG_USE_PREBOOT=y
 CONFIG_SILENT_CONSOLE=y