Reorder defconfigs with 'savedefconfig'

Some boards' defconfigs are disordered. Reorder them.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/configs/rpi_2_defconfig b/configs/rpi_2_defconfig
index 4b92045..334a1b7 100644
--- a/configs/rpi_2_defconfig
+++ b/configs/rpi_2_defconfig
@@ -1,9 +1,9 @@
 CONFIG_ARM=y
 CONFIG_ARCH_BCM283X=y
 CONFIG_TARGET_RPI_2=y
+CONFIG_SYS_PROMPT="U-Boot> "
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_PHYS_TO_BUS=y
-CONFIG_SYS_PROMPT="U-Boot> "