defconfig: Reorder boards' defconfig files

Some boards' defconfig files are out of order. Clean this up.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/configs/k2e_evm_defconfig b/configs/k2e_evm_defconfig
index 0949468..a3fa758 100644
--- a/configs/k2e_evm_defconfig
+++ b/configs/k2e_evm_defconfig
@@ -13,5 +13,5 @@
 CONFIG_DM=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
-CONFIG_SYS_NS16550=y
 CONFIG_DM_ETH=y
+CONFIG_SYS_NS16550=y