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/.checkpatch.conf b/.checkpatch.conf
index 9e40ea06..c368d41 100644
--- a/.checkpatch.conf
+++ b/.checkpatch.conf
@@ -4,7 +4,7 @@
 # Temporary for false positive in checkpatch
 --ignore COMPLEX_MACRO
 
-# For CONFIG_SYS_I2C_NOPROBES
+# For CFG_SYS_I2C_NOPROBES
 --ignore MULTISTATEMENT_MACRO_USE_DO_WHILE
 
 # For simple_strtoul