socrates: adjust TEXT_BASE to increase U-Boot image size

We need more room for the U-Boot image.
Shift TEXT_BASE as needed.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/board/socrates/config.mk b/board/socrates/config.mk
index 4f17294..7ea37b5 100644
--- a/board/socrates/config.mk
+++ b/board/socrates/config.mk
@@ -26,4 +26,4 @@
 # socrates board
 # default CCARBAR is at 0xff700000
 #
-TEXT_BASE = 0xfffa0000
+TEXT_BASE = 0xfff80000