global: Migrate CONFIG_RAMDISK_ADDR to CFG

Perform a simple rename of CONFIG_RAMDISK_ADDR to CFG_RAMDISK_ADDR

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/cmd/qfw.c b/cmd/qfw.c
index 95ddc4b..0c49c60 100644
--- a/cmd/qfw.c
+++ b/cmd/qfw.c
@@ -130,8 +130,8 @@
 	env = env_get("ramdiskaddr");
 	initrd_addr = env ?
 		(void *)hextoul(env, NULL) :
-#ifdef CONFIG_RAMDISK_ADDR
-		(void *)CONFIG_RAMDISK_ADDR;
+#ifdef CFG_RAMDISK_ADDR
+		(void *)CFG_RAMDISK_ADDR;
 #else
 		NULL;
 #endif