imx: mx6ul_14x14_evk: fix link issue

Since recent splash changes common code for splashscreen logo
should be used instead of adding duplicated code under board
directories. mx6ul_9x9_evk and mx6ul_14x14_evk configurations
used old board specific logo code and do not link, fix them.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Acked-by: Peng Fan <peng.fan@nxp.com>
diff --git a/include/configs/mx6ul_14x14_evk.h b/include/configs/mx6ul_14x14_evk.h
index f8a5fd3..87f8869 100644
--- a/include/configs/mx6ul_14x14_evk.h
+++ b/include/configs/mx6ul_14x14_evk.h
@@ -60,6 +60,7 @@
 	"fdt_addr=0x83000000\0" \
 	"boot_fdt=try\0" \
 	"ip_dyn=yes\0" \
+	"splashimage=" __stringify(CONFIG_LOADADDR) "\0" \
 	"videomode=video=ctfb:x:480,y:272,depth:24,pclk:108695,le:8,ri:4,up:2,lo:4,hs:41,vs:10,sync:0,vmode:0\0" \
 	"mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
 	"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \