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/cl-som-imx7.h b/include/configs/cl-som-imx7.h
index eb899c4..b1f9470 100644
--- a/include/configs/cl-som-imx7.h
+++ b/include/configs/cl-som-imx7.h
@@ -23,8 +23,8 @@
 #define CONFIG_POWER_PFUZE3000_I2C_ADDR	0x08
 
 #define CONFIG_PCA953X
-#define CONFIG_SYS_I2C_PCA953X_ADDR	0x20
-#define CONFIG_SYS_I2C_PCA953X_WIDTH	{ {0x20, 16} }
+#define CFG_SYS_I2C_PCA953X_ADDR	0x20
+#define CFG_SYS_I2C_PCA953X_WIDTH	{ {0x20, 16} }
 
 #undef CONFIG_EXTRA_ENV_SETTINGS
 
@@ -83,8 +83,8 @@
 #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
 
 /* SPI Flash support */