video: make vidconsole commands optional

Converting some boards to DM_VIDEO results in build breakage due
to increased code size. Make video console specific commands
optional to reduce binary size.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 3812354..d0e9563 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -35,6 +35,14 @@
 	  it understands the standard device tree
 	  (leds/backlight/gpio-backlight.txt)
 
+config CMD_VIDCONSOLE
+	bool "Enable vidconsole commands lcdputs and setcurs"
+	depends on DM_VIDEO
+	default y
+	help
+	  Enabling this will provide 'setcurs' and 'lcdputs' commands which
+	  support cursor positioning and drawing strings on video framebuffer.
+
 config VIDEO_BPP8
 	bool "Support 8-bit-per-pixel displays"
 	depends on DM_VIDEO