In order to use the more thorough memory test, the macro
CONFIG_SYS_MEMTEST_SCRATCH must be defined with a usable
address.
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
 
 #define CONFIG_SYS_MEMTEST_START       0x10000000
 #define CONFIG_SYS_MEMTEST_END         0x10010000
+#define CONFIG_SYS_MEMTEST_SCRATCH     0x10800000
 
 #define CONFIG_SYS_LOAD_ADDR           CONFIG_LOADADDR
 #define CONFIG_SYS_HZ                  1000
 
 
 #define CONFIG_SYS_MEMTEST_START       0x10000000
 #define CONFIG_SYS_MEMTEST_END        0x10010000
+#define CONFIG_SYS_MEMTEST_SCRATCH     0x10800000
 
 #define CONFIG_SYS_LOAD_ADDR          CONFIG_LOADADDR
 #define CONFIG_SYS_HZ                 1000