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/include/configs/x86-common.h b/include/configs/x86-common.h
index 5d461e8..f421ec5 100644
--- a/include/configs/x86-common.h
+++ b/include/configs/x86-common.h
@@ -25,7 +25,7 @@
  */
 
 /* Default environment */
-#define CONFIG_RAMDISK_ADDR	0x4000000
+#define CFG_RAMDISK_ADDR	0x4000000
 #if defined(CONFIG_GENERATE_ACPI_TABLE) || defined(CONFIG_EFI_STUB)
 #define CFG_OTHBOOTARGS	"othbootargs=\0"
 #else