Reorder defconfigs with 'savedefconfig'

Some boards' defconfigs are disordered. Reorder them.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/configs/nas220_defconfig b/configs/nas220_defconfig
index 257c305..6748a6e 100644
--- a/configs/nas220_defconfig
+++ b/configs/nas220_defconfig
@@ -1,7 +1,7 @@
 CONFIG_ARM=y
 CONFIG_KIRKWOOD=y
 CONFIG_TARGET_NAS220=y
+CONFIG_SYS_PROMPT="nas220> "
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_SETEXPR is not set
-CONFIG_SYS_PROMPT="nas220> "