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/fsl-mc/fsl_mc.h b/include/fsl-mc/fsl_mc.h
index 07a46a4..c701dc1 100644
--- a/include/fsl-mc/fsl_mc.h
+++ b/include/fsl-mc/fsl_mc.h
@@ -66,7 +66,7 @@
 int get_dpl_apply_status(void);
 int is_lazy_dpl_addr_valid(void);
 void fdt_fixup_mc_ddr(u64 *base, u64 *size);
-#ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
+#ifdef CFG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
 int get_aiop_apply_status(void);
 #endif
 u64 mc_get_dram_addr(void);