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/crs328-4c-20s-4s_defconfig b/configs/crs328-4c-20s-4s_defconfig
index 2f6cade..a51da7a 100644
--- a/configs/crs328-4c-20s-4s_defconfig
+++ b/configs/crs328-4c-20s-4s_defconfig
@@ -2,7 +2,7 @@
 CONFIG_ARCH_CPU_INIT=y
 CONFIG_ARCH_MVEBU=y
 CONFIG_SYS_KWD_CONFIG="board/mikrotik/crs3xx-98dx3236/kwbimage.cfg"
-CONFIG_SYS_TEXT_BASE=0x00800000
+CONFIG_TEXT_BASE=0x00800000
 CONFIG_TARGET_CRS3XX_98DX3236=y
 CONFIG_ENV_SIZE=0x10000
 CONFIG_ENV_OFFSET=0x1F0000