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/arch/arm/cpu/armv7/ls102xa/fdt.c b/arch/arm/cpu/armv7/ls102xa/fdt.c
index 0e7d5fa..599b7e1 100644
--- a/arch/arm/cpu/armv7/ls102xa/fdt.c
+++ b/arch/arm/cpu/armv7/ls102xa/fdt.c
@@ -183,7 +183,7 @@
 
 #if defined(CONFIG_QSPI_BOOT) || defined(CONFIG_SD_BOOT_QSPI)
 	off = fdt_node_offset_by_compat_reg(blob, FSL_IFC_COMPAT,
-					    CONFIG_SYS_IFC_ADDR);
+					    CFG_SYS_IFC_ADDR);
 	fdt_set_node_status(blob, off, FDT_STATUS_DISABLED);
 #else
 	off = fdt_node_offset_by_compat_reg(blob, FSL_QSPI_COMPAT,