rk3288: config change for enable dram capacity auto-detect.
Enable ROCKCHIP_SPL_BACK_TO_BROM and disable CONFIG_SPL_MMC_SUPPORT
to save memory in order to enable add source code for dram capacity
auto-detect.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/configs/popmetal-rk3288_defconfig b/configs/popmetal-rk3288_defconfig
index ff6a153..1e70ae0 100644
--- a/configs/popmetal-rk3288_defconfig
+++ b/configs/popmetal-rk3288_defconfig
@@ -62,3 +62,4 @@
CONFIG_USE_TINY_PRINTF=y
CONFIG_CMD_DHRYSTONE=y
CONFIG_ERRNO_STR=y
+CONFIG_ROCKCHIP_SPL_BACK_TO_BROM=y