Convert CONFIG_SYS_TEXT_BASE to Kconfig

This converts the following to Kconfig:
	CONFIG_SYS_TEXT_BASE

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/bcm7260.h b/include/configs/bcm7260.h
index d799ffd..1bae49e 100644
--- a/include/configs/bcm7260.h
+++ b/include/configs/bcm7260.h
@@ -12,7 +12,6 @@
 
 #define CONFIG_SYS_NS16550_COM1	0xf040c000
 
-#define CONFIG_SYS_TEXT_BASE		0x10100000
 #define CONFIG_SYS_INIT_RAM_ADDR	0x10200000
 
 #include "bcmstb.h"
diff --git a/include/configs/bcm7445.h b/include/configs/bcm7445.h
index 989482e..81c3d02 100644
--- a/include/configs/bcm7445.h
+++ b/include/configs/bcm7445.h
@@ -12,7 +12,6 @@
 
 #define CONFIG_SYS_NS16550_COM1	0xf040ab00
 
-#define CONFIG_SYS_TEXT_BASE		0x80100000
 #define CONFIG_SYS_INIT_RAM_ADDR	0x80200000
 
 #include "bcmstb.h"