configs: rv1106b_tb_emmc: Enable CONFIG_MMC_USE_PRE_CONFIG

Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Change-Id: I4dac4f9b8c3834fad37f6b57a311a075f483c70e

rockchip: Add rv1106b support

Change-Id: Icdc501e68a3d9f4425b5e677c890ec47f83483aa
Signed-off-by: Xuhui Lin <xuhui.lin@rock-chips.com>