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/exynos78x0-common.h b/include/configs/exynos78x0-common.h
index 68c36dc..8672b9e 100644
--- a/include/configs/exynos78x0-common.h
+++ b/include/configs/exynos78x0-common.h
@@ -18,7 +18,7 @@
 
 #define CPU_RELEASE_ADDR		secondary_boot_addr
 
-#define CONFIG_SYS_BAUDRATE_TABLE \
+#define CFG_SYS_BAUDRATE_TABLE \
 	{9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600}
 
 #define CFG_SYS_SDRAM_BASE		0x40000000