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/board/freescale/lx2160a/lx2160a.c b/board/freescale/lx2160a/lx2160a.c
index 4376755..cf5b1ee 100644
--- a/board/freescale/lx2160a/lx2160a.c
+++ b/board/freescale/lx2160a/lx2160a.c
@@ -57,9 +57,9 @@
 
 static struct pl01x_serial_plat serial0 = {
 #if CONFIG_CONS_INDEX == 0
-	.base = CONFIG_SYS_SERIAL0,
+	.base = CFG_SYS_SERIAL0,
 #elif CONFIG_CONS_INDEX == 1
-	.base = CONFIG_SYS_SERIAL1,
+	.base = CFG_SYS_SERIAL1,
 #else
 #error "Unsupported console index value."
 #endif
@@ -72,7 +72,7 @@
 };
 
 static struct pl01x_serial_plat serial1 = {
-	.base = CONFIG_SYS_SERIAL1,
+	.base = CFG_SYS_SERIAL1,
 	.type = TYPE_PL011,
 };