global: Migrate CONFIG_EXTRA_ENV_SETTINGS to CFG

Perform a simple rename of CONFIG_EXTRA_ENV_SETTINGS to CFG_EXTRA_ENV_SETTINGS

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/theadorable-x86-common.h b/include/configs/theadorable-x86-common.h
index b57b1be..7469951 100644
--- a/include/configs/theadorable-x86-common.h
+++ b/include/configs/theadorable-x86-common.h
@@ -19,9 +19,9 @@
 
 /* Environment settings */
 
-#undef CONFIG_EXTRA_ENV_SETTINGS
+#undef CFG_EXTRA_ENV_SETTINGS
 
-#define CONFIG_EXTRA_ENV_SETTINGS				\
+#define CFG_EXTRA_ENV_SETTINGS				\
 	"tftpdir=" DEF_ENV_TFTPDIR "\0"				\
 	"eth_init=" DEF_ENV_ETH_INIT "\0"			\
 	"ubuntu_part=" __stringify(DEF_ENV_UBUNTU_PART) "\0"	\