board: ge: bx50v3: don't configure the backlight when there's no display

Don't try to configure the backlight when CONFIG_VIDEO_IPUV3 isn't set.

Signed-off-by: Andrew Shadura <andrew.shadura@collabora.co.uk>
diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c
index ff8f4d7..d45ed44 100644
--- a/board/ge/bx50v3/bx50v3.c
+++ b/board/ge/bx50v3/bx50v3.c
@@ -601,6 +601,8 @@
 #ifdef CONFIG_CMD_BMODE
 	add_board_boot_modes(board_boot_modes);
 #endif
+
+#ifdef CONFIG_VIDEO_IPUV3
 	/* We need at least 200ms between power on and backlight on
 	 * as per specifications from CHI MEI */
 	mdelay(250);
@@ -615,6 +617,7 @@
 	gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
 
 	pwm_enable(0);
+#endif
 
 	return 0;
 }