mpc52xx: Cleanup use of CONFIG_SYS_SRAM_BASE and CONFIG_SYS_SRAM_SIZE

cleanup for the uc101 and the mucmc52 board.

Signed-off-by: Heiko Schocher <hs@denx.de>

include/configs/mucmc52.h

@@ -80,6 +80,8 @@
 #define	CONFIG_SYS_CS1_SIZE		0x00100000
 #define	CONFIG_SYS_CS1_CFG		0x00019B00
 
+#define CONFIG_SYS_SRAM_SIZE		CONFIG_SYS_CS1_SIZE
+
 /* FRAM 32Kbyte @0x80700000 */
 #define	CONFIG_SYS_CS2_START		0x80700000
 #define	CONFIG_SYS_CS2_SIZE		0x00008000

include/configs/uc101.h

@@ -65,9 +65,7 @@
 #define CONFIG_SYS_IB_EPLD		0xc0500000	/* CS 7 */
 
 /* SRAM */
-#define SRAM_BASE		CONFIG_SYS_SRAM_BASE
-#define SRAM_LEN		0x1fffff
-#define SRAM_END		(SRAM_BASE + SRAM_LEN)
+#define CONFIG_SYS_SRAM_SIZE	0x200000
 
 /*
  * GPIO configuration