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/hsdk-4xd.h b/include/configs/hsdk-4xd.h
index fcb2dec..59ea896 100644
--- a/include/configs/hsdk-4xd.h
+++ b/include/configs/hsdk-4xd.h
@@ -21,8 +21,8 @@
  * Memory configuration
  */
 
-#define CONFIG_SYS_DDR_SDRAM_BASE	0x80000000
-#define CFG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_SDRAM_BASE
+#define CFG_SYS_DDR_SDRAM_BASE	0x80000000
+#define CFG_SYS_SDRAM_BASE		CFG_SYS_DDR_SDRAM_BASE
 #define CFG_SYS_SDRAM_SIZE		SZ_1G
 
 /*