arm64: rockchip_defconfig: remove CONFIG_RK31XX_LVDS

Change-Id: Ie7716e38dd68876ab037cc3ed6072dba4118a798
Signed-off-by: WeiYong Bi <bivvy.bi@rock-chips.com>

Author: bivvy

arch/arm64/configs/rockchip_defconfig

@@ -476,7 +476,6 @@ CONFIG_LCDC_RK322X=y
 CONFIG_LCDC_LITE_RK3X=y
 CONFIG_LCD_MIPI=y
 CONFIG_RK_TRSM=y
-CONFIG_RK31XX_LVDS=y
 CONFIG_RK32_DP=y
 # CONFIG_RK_VGA is not set
 CONFIG_MIPI_DSI=y