ARM: omap2plus_defconfig: Update for moved item

When running make savedefconfig ARCH=arm, CONFIG_DMA_CMA
changed location.  To help facilitate future changes to
omap2plus_defconfig, this patch re-syncs the omap2plus file
with the updated location generated by make savedefconfig.

No items were removed or added during this patch.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/configs/omap2plus_defconfig

@@ -128,7 +128,6 @@ CONFIG_PCI_ENDPOINT_CONFIGFS=y
 CONFIG_PCI_EPF_TEST=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
-CONFIG_DMA_CMA=y
 CONFIG_OMAP_OCP2SCP=y
 CONFIG_CONNECTOR=m
 CONFIG_MTD=y
@@ -538,6 +537,7 @@ CONFIG_CRC_T10DIF=y
 CONFIG_CRC_ITU_T=y
 CONFIG_CRC7=y
 CONFIG_LIBCRC32C=y
+CONFIG_DMA_CMA=y
 CONFIG_FONTS=y
 CONFIG_FONT_8x8=y
 CONFIG_FONT_8x16=y