Mainline u-boot and question to drive lcd

[pawnies20]

I want to use mainline parameters like under to drive an lcd.

http://linux-sunxi.org/LCD

I don't know how to add line under .

CONFIG_VIDEO_LCD_MODE="x:320,y:240,depth:24,pclk_khz:7000,le:38,ri:20,up:15,lo:4,hs:30,vs:3,sync:3,vmode:0"
CONFIG_VIDEO_LCD_POWER="PH12"
CONFIG_VIDEO_LCD_BL_EN="PH8"
CONFIG_VIDEO_LCD_BL_PWM="PB2"

Can you help me please