sunxi: Drop LCD_MODE from A13-OLinuxIno defconfigs

With the unified / cleaned up default display output selection changes,
which were done as part of adding composite video out support, our
example LCD_MODE line in the A13-OLinuxIno defconfigs causes the display
code to setup a LCD console by default, rather then a VGA console.

Given that the LCD console is only useful for people who have hooked up
the exact lcd-panel from the config, while most people will not have any
lcd panel connected to these boards, this is not a good default.

Dropping the LCD_MODE line which was intended as an example fixes this,
instead add a link to the LCD_MODE help text pointing to
http://linux-sunxi.org/LCD which contains the removed and other example
modes.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index fd6668f..55906b5 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -425,6 +425,7 @@
 	LCD panel timing details string, leave empty if there is no LCD panel.
 	This is in drivers/video/videomodes.c: video_get_params() format, e.g.
 	x:800,y:480,depth:18,pclk_khz:33000,le:16,ri:209,up:22,lo:22,hs:30,vs:1,sync:0,vmode:0
+	Also see: http://linux-sunxi.org/LCD
 
 config VIDEO_LCD_DCLK_PHASE
 	int "LCD panel display clock phase"