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/ls1012aqds/ls1012aqds.c b/board/freescale/ls1012aqds/ls1012aqds.c
index f17a6c1..194b5d2 100644
--- a/board/freescale/ls1012aqds/ls1012aqds.c
+++ b/board/freescale/ls1012aqds/ls1012aqds.c
@@ -117,7 +117,7 @@
 	struct udevice *dev;
 	int ret;
 
-	ret = i2c_get_chip_for_busnum(bus_num, CONFIG_SYS_I2C_FPGA_ADDR,
+	ret = i2c_get_chip_for_busnum(bus_num, CFG_SYS_I2C_FPGA_ADDR,
 				      1, &dev);
 	if (ret) {
 		printf("%s: Cannot find udev for a bus %d\n", __func__,
@@ -128,7 +128,7 @@
 #else
 	i2c_set_bus_num(bus_num);
 
-	i2c_write(CONFIG_SYS_I2C_FPGA_ADDR, 0x5a, 1, &mux_sdhc_cd, 1);
+	i2c_write(CFG_SYS_I2C_FPGA_ADDR, 0x5a, 1, &mux_sdhc_cd, 1);
 #endif
 
 	return 0;