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/intel/bayleybay/Kconfig b/board/intel/bayleybay/Kconfig
index a622499..97228d6 100644
--- a/board/intel/bayleybay/Kconfig
+++ b/board/intel/bayleybay/Kconfig
@@ -12,7 +12,7 @@
 config SYS_CONFIG_NAME
 	default "bayleybay"
 
-config SYS_TEXT_BASE
+config TEXT_BASE
 	default 0xfff00000
 
 config BOARD_SPECIFIC_OPTIONS # dummy
diff --git a/board/intel/cherryhill/Kconfig b/board/intel/cherryhill/Kconfig
index a4fa004..009cd93 100644
--- a/board/intel/cherryhill/Kconfig
+++ b/board/intel/cherryhill/Kconfig
@@ -12,7 +12,7 @@
 config SYS_CONFIG_NAME
 	default "cherryhill"
 
-config SYS_TEXT_BASE
+config TEXT_BASE
 	default 0xffe00000
 
 config BOARD_SPECIFIC_OPTIONS # dummy
diff --git a/board/intel/cougarcanyon2/Kconfig b/board/intel/cougarcanyon2/Kconfig
index ed76448..3240702 100644
--- a/board/intel/cougarcanyon2/Kconfig
+++ b/board/intel/cougarcanyon2/Kconfig
@@ -12,7 +12,7 @@
 config SYS_CONFIG_NAME
 	default "cougarcanyon2"
 
-config SYS_TEXT_BASE
+config TEXT_BASE
 	default 0xffe00000
 
 config BOARD_SPECIFIC_OPTIONS # dummy
diff --git a/board/intel/crownbay/Kconfig b/board/intel/crownbay/Kconfig
index 1eed227..eb2290c 100644
--- a/board/intel/crownbay/Kconfig
+++ b/board/intel/crownbay/Kconfig
@@ -12,7 +12,7 @@
 config SYS_CONFIG_NAME
 	default "crownbay"
 
-config SYS_TEXT_BASE
+config TEXT_BASE
 	default 0xfff00000
 
 config BOARD_SPECIFIC_OPTIONS # dummy
diff --git a/board/intel/edison/Kconfig b/board/intel/edison/Kconfig
index 23b2af4..5efda4b 100644
--- a/board/intel/edison/Kconfig
+++ b/board/intel/edison/Kconfig
@@ -15,7 +15,7 @@
 config SYS_MALLOC_LEN
 	default 0x08000000
 
-config SYS_TEXT_BASE
+config TEXT_BASE
 	default 0x01101000
 
 config ROM_TABLE_ADDR
diff --git a/board/intel/galileo/Kconfig b/board/intel/galileo/Kconfig
index fb8d94f..4c0451d 100644
--- a/board/intel/galileo/Kconfig
+++ b/board/intel/galileo/Kconfig
@@ -12,7 +12,7 @@
 config SYS_CONFIG_NAME
 	default "galileo"
 
-config SYS_TEXT_BASE
+config TEXT_BASE
 	default 0xfff10000
 
 config BOARD_SPECIFIC_OPTIONS # dummy
diff --git a/board/intel/minnowmax/Kconfig b/board/intel/minnowmax/Kconfig
index 82a6ca9..a03ef86 100644
--- a/board/intel/minnowmax/Kconfig
+++ b/board/intel/minnowmax/Kconfig
@@ -12,7 +12,7 @@
 config SYS_CONFIG_NAME
 	default "minnowmax"
 
-config SYS_TEXT_BASE
+config TEXT_BASE
 	default 0xfff00000
 
 config BOARD_SPECIFIC_OPTIONS # dummy
diff --git a/board/intel/slimbootloader/Kconfig b/board/intel/slimbootloader/Kconfig
index 8c7e22c..015ed51 100644
--- a/board/intel/slimbootloader/Kconfig
+++ b/board/intel/slimbootloader/Kconfig
@@ -16,7 +16,7 @@
 config SYS_CONFIG_NAME
 	default "slimbootloader"
 
-config SYS_TEXT_BASE
+config TEXT_BASE
 	default 0x00100000
 
 config BOARD_SPECIFIC_OPTIONS