global: Move remaining CONFIG_SYS_SDRAM_* to CFG_SYS_SDRAM_*

The rest of the unmigrated CONFIG symbols in the CONFIG_SYS_SDRAM
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/rk3128_common.h b/include/configs/rk3128_common.h
index 12d4bc6..fac27a7 100644
--- a/include/configs/rk3128_common.h
+++ b/include/configs/rk3128_common.h
@@ -14,7 +14,7 @@
 
 /* RAW SD card / eMMC locations. */
 
-#define CONFIG_SYS_SDRAM_BASE		0x60000000
+#define CFG_SYS_SDRAM_BASE		0x60000000
 #define SDRAM_MAX_SIZE			0x80000000
 
 /* usb mass storage */