Rename TEXT_BASE into CONFIG_SYS_TEXT_BASE

The change is currently needed to be able to remove the board
configuration scripting from the top level Makefile and replace it by
a simple, table driven script.

Moving this configuration setting into the "CONFIG_*" name space is
also desirable because it is needed if we ever should move forward to
a Kconfig driven configuration system.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/include/configs/pb1x00.h b/include/configs/pb1x00.h
index 5ad745e..d5cf89a 100644
--- a/include/configs/pb1x00.h
+++ b/include/configs/pb1x00.h
@@ -104,7 +104,7 @@
 #define PHYS_FLASH_2		0xbfc00000 /* Flash Bank #2 */
 
 /* The following #defines are needed to get flash environment right */
-#define	CONFIG_SYS_MONITOR_BASE	TEXT_BASE
+#define	CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE
 #define	CONFIG_SYS_MONITOR_LEN		(192 << 10)
 
 #define CONFIG_SYS_INIT_SP_OFFSET	0x4000000