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/khadas-vim3l_android_defconfig b/configs/khadas-vim3l_android_defconfig
index 30c5dc2..bf3e2df 100644
--- a/configs/khadas-vim3l_android_defconfig
+++ b/configs/khadas-vim3l_android_defconfig
@@ -2,7 +2,7 @@
 CONFIG_SYS_BOARD="vim3"
 CONFIG_SYS_CONFIG_NAME="khadas-vim3l_android"
 CONFIG_ARCH_MESON=y
-CONFIG_SYS_TEXT_BASE=0x01000000
+CONFIG_TEXT_BASE=0x01000000
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_SIZE=0x10000
 CONFIG_DM_GPIO=y