media: s5p-mfc: fix usage of symbolic permissions to octal

Change symbolic permissions to octal equivalent as recommended
by scripts/checkpatch.pl in drivers/media/platform/samsung/
s5p-mfc/s5p_mfc.c.
Signed-off-by: Aakarsh Jain <aakarsh.jain@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c

@@ -36,7 +36,7 @@
 #define S5P_MFC_ENC_NAME	"s5p-mfc-enc"
 
 int mfc_debug_level;
-module_param_named(debug, mfc_debug_level, int, S_IRUGO | S_IWUSR);
+module_param_named(debug, mfc_debug_level, int, 0644);
 MODULE_PARM_DESC(debug, "Debug level - higher value produces more verbose messages");
 
 static char *mfc_mem_size;