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/common/env_embedded.c b/common/env_embedded.c
index e438575..9b3018a 100644
--- a/common/env_embedded.c
+++ b/common/env_embedded.c
@@ -154,7 +154,7 @@
 	"autoload="	CONFIG_SYS_AUTOLOAD			"\0"
 #endif
 #ifdef	CONFIG_ROOTPATH
-	"rootpath="	MK_STR(CONFIG_ROOTPATH)		"\0"
+	"rootpath="	CONFIG_ROOTPATH			"\0"
 #endif
 #ifdef	CONFIG_GATEWAYIP
 	"gatewayip="	MK_STR(CONFIG_GATEWAYIP)	"\0"