COMMON: Use __stringify() instead of MK_STR()

Kill multiple occurances and redeclaration of MK_STR
in favor of __stringify().

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/include/configs/MPC8544DS.h b/include/configs/MPC8544DS.h
index 7410050..83b8668 100644
--- a/include/configs/MPC8544DS.h
+++ b/include/configs/MPC8544DS.h
@@ -480,20 +480,25 @@
 #define CONFIG_BAUDRATE	115200
 
 #define	CONFIG_EXTRA_ENV_SETTINGS				\
- "netdev=eth0\0"						\
- "uboot=" MK_STR(CONFIG_UBOOTPATH) "\0"				\
- "tftpflash=tftpboot $loadaddr $uboot; "			\
-	"protect off " MK_STR(CONFIG_SYS_TEXT_BASE) " +$filesize; "	\
-	"erase " MK_STR(CONFIG_SYS_TEXT_BASE) " +$filesize; "		\
-	"cp.b $loadaddr " MK_STR(CONFIG_SYS_TEXT_BASE) " $filesize; "	\
-	"protect on " MK_STR(CONFIG_SYS_TEXT_BASE) " +$filesize; "		\
-	"cmp.b $loadaddr " MK_STR(CONFIG_SYS_TEXT_BASE) " $filesize\0"	\
- "consoledev=ttyS0\0"				\
- "ramdiskaddr=2000000\0"			\
- "ramdiskfile=8544ds/ramdisk.uboot\0"		\
- "fdtaddr=c00000\0"				\
- "fdtfile=8544ds/mpc8544ds.dtb\0"		\
- "bdev=sda3\0"
+"netdev=eth0\0"						\
+"uboot=" __stringify(CONFIG_UBOOTPATH) "\0"			\
+"tftpflash=tftpboot $loadaddr $uboot; "			\
+	"protect off " __stringify(CONFIG_SYS_TEXT_BASE)	\
+		" +$filesize; "	\
+	"erase " __stringify(CONFIG_SYS_TEXT_BASE)		\
+		" +$filesize; "	\
+	"cp.b $loadaddr " __stringify(CONFIG_SYS_TEXT_BASE)	\
+		" $filesize; "	\
+	"protect on " __stringify(CONFIG_SYS_TEXT_BASE)		\
+		" +$filesize; "	\
+	"cmp.b $loadaddr " __stringify(CONFIG_SYS_TEXT_BASE)	\
+		" $filesize\0"	\
+"consoledev=ttyS0\0"				\
+"ramdiskaddr=2000000\0"			\
+"ramdiskfile=8544ds/ramdisk.uboot\0"		\
+"fdtaddr=c00000\0"				\
+"fdtfile=8544ds/mpc8544ds.dtb\0"		\
+"bdev=sda3\0"
 
 #define CONFIG_NFSBOOTCOMMAND		\
  "setenv bootargs root=/dev/nfs rw "	\