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/m53menlo.h b/include/configs/m53menlo.h
index cbdb2fa..f87bbf7 100644
--- a/include/configs/m53menlo.h
+++ b/include/configs/m53menlo.h
@@ -21,8 +21,8 @@
 #define PHYS_SDRAM_SIZE			(gd->ram_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)
 
 /*
  * U-Boot general configurations
@@ -58,13 +58,13 @@
 #define CONFIG_FEC_MXC_PHYADDR		0x0
 #endif
 
-#define CONFIG_SYS_RTC_BUS_NUM		1 /* I2C2 */
+#define CFG_SYS_RTC_BUS_NUM		1 /* I2C2 */
 
 /*
  * RTC
  */
 #ifdef CONFIG_CMD_DATE
-#define CONFIG_SYS_I2C_RTC_ADDR		0x68
+#define CFG_SYS_I2C_RTC_ADDR		0x68
 #endif
 
 /*
@@ -77,7 +77,7 @@
 #endif
 
 /* LVDS display */
-#define CONFIG_SYS_LDB_CLOCK			33260000
+#define CFG_SYS_LDB_CLOCK			33260000
 #define CONFIG_IMX_VIDEO_SKIP
 
 /* IIM Fuses */