arm: atmel: eb_cpux9k2: config clean up

* remove mature defines from board config

Signed-off-by: Jens Scharsig (BuS Elektronik) <esw@bus-elektronik.de>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>

include/configs/eb_cpux9k2.h

@@ -41,10 +41,6 @@
 #define CONFIG_SYS_LOAD_ADDR		0x21000000  /* default load address */
 #define CONFIG_STANDALONE_LOAD_ADDR	0x21000000
 
-#define CONFIG_SYS_BOOT_SIZE		0x00 /* 0 KBytes */
-#define CONFIG_SYS_U_BOOT_BASE		PHYS_FLASH_1
-#define CONFIG_SYS_U_BOOT_SIZE		0x60000 /* 384 KBytes */
-
 #define CONFIG_BOOT_RETRY_TIME		30
 #define CONFIG_CMDLINE_EDITING