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/board/congatec/cgtqmx8/cgtqmx8.c b/board/congatec/cgtqmx8/cgtqmx8.c
index a50a052..c211cb5 100644
--- a/board/congatec/cgtqmx8/cgtqmx8.c
+++ b/board/congatec/cgtqmx8/cgtqmx8.c
@@ -425,7 +425,7 @@
 	char *end_of_uboot;
 	char command[256];
 
-	end_of_uboot = (char *)(ulong)(CONFIG_SYS_TEXT_BASE + _end_ofs
+	end_of_uboot = (char *)(ulong)(CONFIG_TEXT_BASE + _end_ofs
 			+ fdt_totalsize(gd->fdt_blob));
 	end_of_uboot += 9;
 
diff --git a/board/congatec/conga-qeval20-qa3-e3845/Kconfig b/board/congatec/conga-qeval20-qa3-e3845/Kconfig
index 6469250..2cdc34c 100644
--- a/board/congatec/conga-qeval20-qa3-e3845/Kconfig
+++ b/board/congatec/conga-qeval20-qa3-e3845/Kconfig
@@ -11,7 +11,7 @@
 	default "conga-qeval20-qa3-e3845" if TARGET_CONGA_QEVAL20_QA3_E3845
 	default "theadorable-x86-conga-qa3-e3845" if TARGET_THEADORABLE_X86_CONGA_QA3_E3845
 
-config SYS_TEXT_BASE
+config TEXT_BASE
 	default 0xfff00000
 
 config BOARD_SPECIFIC_OPTIONS # dummy