lib: rational: Move the Kconfigs into the correct place

These should not be part of the 'system tables' menu. Move them outside
on their own.

Signed-off-by: Simon Glass <sjg@chromium.org>
Fixes: 7d0f3fbb93c ("lib: rational: copy the rational fraction lib...")
Reviewed-by: Tom Rini <trini@konsulko.com>
1 file changed