kmod: upgrade from 31 to 32

kmod: upgrade from 31 to 32

kmod now installs symlinks in 'make install'.
https://git.kernel.org/pub/scm/utils/kernel/kmod/kmod.git/commit/?
id=e98cef6f3f8cd6f8bfb26d147b2c209297453cca

Changes are made in do_install to ensure that we can to continue to
use sbin. This is because our kernel has: CONFIG_MODPROBE_PATH='/sbin/modprobe'.
We'll need to sync our kmod path settings with our kernel config. Otherwise,
things would fail. For example, libnl's some ptest cases fail.

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>