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/mtd/cfi_flash.h b/include/mtd/cfi_flash.h
index 1321da1..52cd1c4 100644
--- a/include/mtd/cfi_flash.h
+++ b/include/mtd/cfi_flash.h
@@ -147,8 +147,8 @@
 	u8	minor_version;
 } __attribute__((packed));
 
-#ifndef CONFIG_SYS_FLASH_BANKS_LIST
-#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
+#ifndef CFG_SYS_FLASH_BANKS_LIST
+#define CFG_SYS_FLASH_BANKS_LIST { CFG_SYS_FLASH_BASE }
 #endif
 
 /*