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/kp_imx53.h b/include/configs/kp_imx53.h
index 967de66..c551585 100644
--- a/include/configs/kp_imx53.h
+++ b/include/configs/kp_imx53.h
@@ -68,8 +68,8 @@
 #define PHYS_SDRAM_SIZE		(PHYS_SDRAM_1_SIZE)
 
 #define CFG_SYS_SDRAM_BASE		(PHYS_SDRAM_1)
-#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 */