Rename CONFIG_SYS_TEXT_BASE to CONFIG_TEXT_BASE

The current name is inconsistent with SPL which uses CONFIG_SPL_TEXT_BASE
and this makes it imposible to use CONFIG_VAL().

Rename it to resolve this problem.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/lsxhl_defconfig b/configs/lsxhl_defconfig
index 474e1c6..01397bc 100644
--- a/configs/lsxhl_defconfig
+++ b/configs/lsxhl_defconfig
@@ -7,7 +7,7 @@
 CONFIG_CMDLINE_TAG=y
 CONFIG_INITRD_TAG=y
 CONFIG_SYS_KWD_CONFIG="board/buffalo/lsxl/kwbimage-lsxhl.cfg"
-CONFIG_SYS_TEXT_BASE=0x600000
+CONFIG_TEXT_BASE=0x600000
 CONFIG_NR_DRAM_BANKS=2
 CONFIG_TARGET_LSXL=y
 CONFIG_LSXHL=y