common: cosmetic: CONFIG_ROOTPATH checkpatch compliance

Remove MK_STR from places that consume CONFIG_ROOTPATH to force all definitions to be string literals.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Cc: Joe Hershberger <joe.hershberger@gmail.com>
Cc: Wolfgang Denk <wd@denx.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/include/configs/bfin_adi_common.h b/include/configs/bfin_adi_common.h
index bae2d76..3fbf5c6 100644
--- a/include/configs/bfin_adi_common.h
+++ b/include/configs/bfin_adi_common.h
@@ -265,7 +265,7 @@
 #  define CONFIG_SERVERIP	192.168.0.2
 # endif
 # ifndef CONFIG_ROOTPATH
-#  define CONFIG_ROOTPATH	/romfs
+#  define CONFIG_ROOTPATH	"/romfs"
 # endif
 # ifdef CONFIG_CMD_DHCP
 #  ifndef CONFIG_SYS_AUTOLOAD