PowerPC: Update last users of CONFIG_ISO_STRING to Kconfig

There are a few boards that use CONFIG_ISO_STRING as part of a sanity
check during firmware update at run time.  Move this string to Kconfig.

Signed-off-by: Tom Rini <trini@konsulko.com>

board/mpl/pati/Kconfig

@@ -9,4 +9,7 @@ config SYS_VENDOR
 config SYS_CONFIG_NAME
 	default "PATI"
 
+config ISO_STRING
+	string
+	default "MEV-10084-001"
 endif

board/mpl/pati/pati.h

@@ -203,7 +203,6 @@
 
 #if defined(CONFIG_TARGET_MIP405) || defined(CONFIG_TARGET_MIP405T)
 #define PATI_FIRMWARE_START_OFFSET	0x00300000
-#define PATI_ISO_STRING  "MEV-10084-001"
 #endif
 
 #define PATI_ENDIAN_MODE	0x3E

board/mpl/pip405/Kconfig

@@ -9,4 +9,7 @@ config SYS_VENDOR
 config SYS_CONFIG_NAME
 	default "PIP405"
 
+config ISO_STRING
+	string
+	default "MEV-10066-001"
 endif

include/configs/PATI.h

@@ -252,7 +252,4 @@
  */
 #define CONFIG_SYS_DER			0x00000000
 
-#define VERSION_TAG "released"
-#define CONFIG_ISO_STRING "MEV-10084-001"
-
 #endif	/* __CONFIG_H */

include/configs/PIP405.h

@@ -333,10 +333,4 @@
  ************************************************************/
 #define CONFIG_BZIP2		1
 
-/************************************************************
- * Ident
- ************************************************************/
-#define VERSION_TAG "released"
-#define CONFIG_ISO_STRING "MEV-10066-001"
-
 #endif	/* __CONFIG_H */

scripts/config_whitelist.txt

@@ -1728,7 +1728,6 @@ CONFIG_IRAM_STACK
 CONFIG_IRAM_TOP
 CONFIG_IRDA_BASE
 CONFIG_ISO_PARTITION
-CONFIG_ISO_STRING
 CONFIG_ISP1362_USB
 CONFIG_IS_
 CONFIG_IS_BUILTIN