global: Move remaining CONFIG_SYS_* to CFG_SYS_*

The rest of the unmigrated CONFIG symbols in the CONFIG_SYS namespace do
not easily transition to Kconfig. In many cases they likely should come
from the device tree instead. Move these out of CONFIG namespace and in
to CFG namespace.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/opos6uldev.h b/include/configs/opos6uldev.h
index 53889d6..e42a736 100644
--- a/include/configs/opos6uldev.h
+++ b/include/configs/opos6uldev.h
@@ -15,8 +15,8 @@
 
 /* Physical Memory Map */
 #define CFG_SYS_SDRAM_BASE		MMDC0_ARB_BASE_ADDR
-#define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
-#define CONFIG_SYS_INIT_RAM_SIZE	IRAM_SIZE
+#define CFG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
+#define CFG_SYS_INIT_RAM_SIZE	IRAM_SIZE
 
 /* USB */
 #ifdef CONFIG_USB_EHCI_MX6