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/embestmx6boards.h b/include/configs/embestmx6boards.h
index e39bb94..29b7748 100644
--- a/include/configs/embestmx6boards.h
+++ b/include/configs/embestmx6boards.h
@@ -28,8 +28,8 @@
 #define PHYS_SDRAM                     MMDC0_ARB_BASE_ADDR
 
 #define CFG_SYS_SDRAM_BASE          PHYS_SDRAM
-#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
 
 /* Environment organization */