Reorder defconfigs with 'savedefconfig'

Some boards' defconfigs are disordered. Reorder them.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/configs/M54418TWR_serial_mii_defconfig b/configs/M54418TWR_serial_mii_defconfig
index 4450084..cd383c2 100644
--- a/configs/M54418TWR_serial_mii_defconfig
+++ b/configs/M54418TWR_serial_mii_defconfig
@@ -1,10 +1,10 @@
 CONFIG_M68K=y
 CONFIG_TARGET_M54418TWR=y
 CONFIG_SYS_EXTRA_OPTIONS="CF_SBF,SYS_SERIAL_BOOT,SYS_TEXT_BASE=0x47E00000,SYS_INPUT_CLKSRC=25000000"
+CONFIG_SYS_PROMPT="-> "
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_LOADB is not set
 # CONFIG_CMD_LOADS is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_SPI_FLASH=y
-CONFIG_SYS_PROMPT="-> "