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/blackstamp.h b/include/configs/blackstamp.h
index 63791be..64fce30 100644
--- a/include/configs/blackstamp.h
+++ b/include/configs/blackstamp.h
@@ -75,7 +75,7 @@
 #define CONFIG_GATEWAYIP	192.168.0.1
 #define CONFIG_SERVERIP		192.168.0.2
 #define CONFIG_HOSTNAME		blackstamp
-#define CONFIG_ROOTPATH		/checkout/uClinux-dist/romfs
+#define CONFIG_ROOTPATH		"/checkout/uClinux-dist/romfs"
 #define CONFIG_SYS_AUTOLOAD		"no"
 
 /* To remove hardcoding and enable MAC storage in EEPROM  */