dm: at91: Correct text base for snapper9260

The value should be 0x21f00000. Fix it.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/snapper9260.h b/include/configs/snapper9260.h
index 1ebee71..6909e99 100644
--- a/include/configs/snapper9260.h
+++ b/include/configs/snapper9260.h
@@ -15,7 +15,7 @@
 #include <asm/hardware.h>
 #include <linux/sizes.h>
 
-#define CONFIG_SYS_TEXT_BASE		0x20000000
+#define CONFIG_SYS_TEXT_BASE		0x21f00000
 
 /* ARM asynchronous clock */
 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000 /* External Crystal, in Hz */