integrator: move text offset to config

Do away with the config.mk file and move the text offset to the
config files to make things easier.
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

board/armltd/integrator/config.mk

-#
-# image should be loaded at 0x01000000
-#
-
-CONFIG_SYS_TEXT_BASE = 0x01000000

include/configs/integratorap.h

@@ -37,6 +37,7 @@
  * High Level Configuration Options
  * (easy to change)
  */
+#define CONFIG_SYS_TEXT_BASE		0x01000000
 #define CONFIG_SYS_MEMTEST_START	0x100000
 #define CONFIG_SYS_MEMTEST_END		0x10000000
 #define CONFIG_SYS_HZ			1000

include/configs/integratorcp.h

@@ -37,6 +37,7 @@
  * High Level Configuration Options
  * (easy to change)
  */
+#define CONFIG_SYS_TEXT_BASE		0x01000000
 #define CONFIG_SYS_MEMTEST_START	0x100000
 #define CONFIG_SYS_MEMTEST_END		0x10000000
 #define CONFIG_SYS_HZ			1000