video: replace strict_strtoul() with kstrtoul()

The usage of strict_strtoul() is not preferred, because
strict_strtoul() is obsolete. Thus, kstrtoul() should be
used.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index 6c27805..6dd7225 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -469,7 +469,7 @@
 	unsigned long val;
 
 	if (s) {
-		if (!strict_strtoul(s, 10, &val) && (val <= 2))
+		if (!kstrtoul(s, 10, &val) && (val <= 2))
 			port = (enum fsl_diu_monitor_port) val;
 		else if (strncmp(s, "lvds", 4) == 0)
 			port = FSL_DIU_PORT_LVDS;
@@ -1853,7 +1853,7 @@
 		if (!strncmp(opt, "monitor=", 8)) {
 			monitor_port = fsl_diu_name_to_port(opt + 8);
 		} else if (!strncmp(opt, "bpp=", 4)) {
-			if (!strict_strtoul(opt + 4, 10, &val))
+			if (!kstrtoul(opt + 4, 10, &val))
 				default_bpp = val;
 		} else
 			fb_mode = opt;