colibri-imx6ull: use splashcreen value instead of legacy function

Set proper splashscreen env value instead of calling legacy function
to show embed boot logo.

Fixes: 391c712dde("colibri-imx6ull: show boot logo")
Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
diff --git a/board/toradex/colibri-imx6ull/colibri-imx6ull.c b/board/toradex/colibri-imx6ull/colibri-imx6ull.c
index 89b99a0..45f8da3 100644
--- a/board/toradex/colibri-imx6ull/colibri-imx6ull.c
+++ b/board/toradex/colibri-imx6ull/colibri-imx6ull.c
@@ -173,8 +173,6 @@
 
 #if defined(CONFIG_DM_VIDEO)
 	setup_lcd();
-
-	show_boot_logo();
 #endif
 
 	return 0;
diff --git a/include/configs/colibri-imx6ull.h b/include/configs/colibri-imx6ull.h
index 2fdcdef..530240f 100644
--- a/include/configs/colibri-imx6ull.h
+++ b/include/configs/colibri-imx6ull.h
@@ -111,6 +111,7 @@
 		"fatload ${interface} 0:1 ${loadaddr} " \
 		"${board}/flash_blk.img && source ${loadaddr}\0" \
 	"splashpos=m,m\0" \
+	"splashimage=" __stringify(CONFIG_LOADADDR) "\0" \
 	"videomode=video=ctfb:x:640,y:480,depth:18,pclk:39722,le:48,ri:16,up:33,lo:10,hs:96,vs:2,sync:0,vmode:0\0" \
 	"vidargs=video=mxsfb:640x480M-16@60"