powerpc/mpc85xx:Increase binary size for P, B & T series boards.

u-boot binary size for Freescale mpc85xx platforms is 512KB.
This has been reached to upper limit for some of the platforms causig
linker error.

So, Increase the u-boot binary size to 768KB.

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
diff --git a/include/configs/P2020DS.h b/include/configs/P2020DS.h
index ada6c7b..7ef165e 100644
--- a/include/configs/P2020DS.h
+++ b/include/configs/P2020DS.h
@@ -20,14 +20,14 @@
 #ifdef CONFIG_SDCARD
 #define CONFIG_SYS_RAMBOOT
 #define CONFIG_SYS_EXTRA_ENV_RELOC
-#define CONFIG_SYS_TEXT_BASE		0xf8f80000
+#define CONFIG_SYS_TEXT_BASE		0xf8f40000
 #define CONFIG_RESET_VECTOR_ADDRESS	0xf8fffffc
 #endif
 
 #ifdef CONFIG_SPIFLASH
 #define CONFIG_SYS_RAMBOOT
 #define CONFIG_SYS_EXTRA_ENV_RELOC
-#define CONFIG_SYS_TEXT_BASE		0xf8f80000
+#define CONFIG_SYS_TEXT_BASE		0xf8f40000
 #define CONFIG_RESET_VECTOR_ADDRESS	0xf8fffffc
 #endif
 
@@ -40,7 +40,7 @@
 #define CONFIG_MP		1	/* support multiple processors */
 
 #ifndef CONFIG_SYS_TEXT_BASE
-#define CONFIG_SYS_TEXT_BASE	0xeff80000
+#define CONFIG_SYS_TEXT_BASE	0xeff40000
 #endif
 
 #ifndef CONFIG_RESET_VECTOR_ADDRESS
@@ -578,11 +578,7 @@
 #define CONFIG_ENV_SECT_SIZE		0x10000
 #else
 #define CONFIG_ENV_IS_IN_FLASH	1
-#if CONFIG_SYS_MONITOR_BASE > 0xfff80000
-#define CONFIG_ENV_ADDR		0xfff80000
-#else
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
-#endif
 #define CONFIG_ENV_SIZE		0x2000
 #define CONFIG_ENV_SECT_SIZE	0x20000 /* 128K (one sector) */
 #endif