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/ls1021atsn.h b/include/configs/ls1021atsn.h
index b15c4a2..b722586 100644
--- a/include/configs/ls1021atsn.h
+++ b/include/configs/ls1021atsn.h
@@ -60,7 +60,7 @@
 	func(DHCP, dhcp, na)
 #include <config_distro_bootcmd.h>
 
-#define CONFIG_EXTRA_ENV_SETTINGS					\
+#define CFG_EXTRA_ENV_SETTINGS					\
 	"bootargs=root=/dev/ram0 rw console=ttyS0,115200\0"		\
 	"initrd_high=0xffffffff\0"					\
 	"kernel_addr=0x61000000\0"					\