ARM: configs: rockchip_linux_defconfig select CMA & DMA_CMA

Change-Id: I2dfa8fe524b7625c4ef574e4ff72f68b82a7a308
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>

Author: jayxurockchip

arch/arm/configs/rockchip_linux_defconfig

@@ -42,6 +42,7 @@ CONFIG_HIGHMEM=y
 # CONFIG_HIGHPTE is not set
 # CONFIG_COMPACTION is not set
 CONFIG_DEFAULT_MMAP_MIN_ADDR=32768
+CONFIG_CMA=y
 CONFIG_ZSMALLOC=y
 CONFIG_SECCOMP=y
 CONFIG_ZBOOT_ROM_TEXT=0x0
@@ -157,6 +158,7 @@ CONFIG_RFKILL=y
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_DEBUG_DEVRES=y
+CONFIG_DMA_CMA=y
 CONFIG_CONNECTOR=y
 CONFIG_ZRAM=y
 CONFIG_BLK_DEV_LOOP=y