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/am437x_sk_evm_defconfig b/configs/am437x_sk_evm_defconfig
index 149a028..fa54ebd 100644
--- a/configs/am437x_sk_evm_defconfig
+++ b/configs/am437x_sk_evm_defconfig
@@ -15,6 +15,7 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_OF_CONTROL=y
 CONFIG_DM=y
+CONFIG_DMA=y
 CONFIG_DM_MMC=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_BAR=y
@@ -23,4 +24,3 @@
 CONFIG_TI_QSPI=y
 CONFIG_TIMER=y
 CONFIG_OMAP_TIMER=y
-CONFIG_DMA=y