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/etamin.h b/include/configs/etamin.h
index 6cae663..6647148 100644
--- a/include/configs/etamin.h
+++ b/include/configs/etamin.h
@@ -16,7 +16,7 @@
 /* NAND specific changes for etamin due to different page size */
 #undef CFG_SYS_NAND_ECCPOS
 
-#define CONFIG_SYS_ENV_SECT_SIZE       (512 << 10)     /* 512 KiB */
+#define CFG_SYS_ENV_SECT_SIZE       (512 << 10)     /* 512 KiB */
 #define CFG_SYS_NAND_ECCPOS	{ 2, 3, 4, 5, 6, 7, 8, 9, \
 				10, 11, 12, 13, 14, 15, 16, 17, 18, 19, \
 				20, 21, 22, 23, 24, 25, 26, 27, 28, 29, \