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/sniper.h b/include/configs/sniper.h
index 9551680..afca7e1 100644
--- a/include/configs/sniper.h
+++ b/include/configs/sniper.h
@@ -15,7 +15,7 @@
  * Clocks
  */
 
-#define CONFIG_SYS_TIMERBASE	OMAP34XX_GPT2
+#define CFG_SYS_TIMERBASE	OMAP34XX_GPT2
 
 #define V_NS16550_CLK		48000000
 #define V_OSCK			26000000
@@ -55,7 +55,7 @@
 #define CFG_SYS_NS16550_CLK		V_NS16550_CLK
 #define CFG_SYS_NS16550_COM3		OMAP34XX_UART3
 
-#define CONFIG_SYS_BAUDRATE_TABLE	{ 4800, 9600, 19200, 38400, 57600, \
+#define CFG_SYS_BAUDRATE_TABLE	{ 4800, 9600, 19200, 38400, 57600, \
 					  115200 }
 
 /*