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/cortina_presidio-asic-emmc_defconfig b/configs/cortina_presidio-asic-emmc_defconfig
index d35093a..53cb6f7 100644
--- a/configs/cortina_presidio-asic-emmc_defconfig
+++ b/configs/cortina_presidio-asic-emmc_defconfig
@@ -2,7 +2,7 @@
 CONFIG_COUNTER_FREQUENCY=25000000
 # CONFIG_SYS_ARCH_TIMER is not set
 CONFIG_TARGET_PRESIDIO_ASIC=y
-CONFIG_SYS_TEXT_BASE=0x04000000
+CONFIG_TEXT_BASE=0x04000000
 CONFIG_SYS_MALLOC_LEN=0x820000
 CONFIG_SYS_MALLOC_F_LEN=0x400
 CONFIG_NR_DRAM_BANKS=1