remove the config.mk file
move text base define to board config file for following boards
  - at91sam9m10g45ek
  - at91sam9x5ek
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
+++ /dev/null
-CONFIG_SYS_TEXT_BASE = 0x73f00000
 
+++ /dev/null
-CONFIG_SYS_TEXT_BASE = 0x26f00000
 
 
 #include <asm/hardware.h>
 
+#define CONFIG_SYS_TEXT_BASE           0x73f00000
+
 #define CONFIG_AT91_LEGACY
 #define CONFIG_ATMEL_LEGACY            /* required until (g)pio is fixed */
 
 
 
 #include <asm/hardware.h>
 
+#define CONFIG_SYS_TEXT_BASE           0x26f00000
+
 /* ARM asynchronous clock */
 #define CONFIG_SYS_AT91_SLOW_CLOCK     32768
 #define CONFIG_SYS_AT91_MAIN_CLOCK     12000000        /* 12 MHz crystal */