Other changes:
- Add policy version 32 as a default version of toolchains build with kernel
headers 5.5 or later.
- Add Help text for the above.
Signed-off-by: Adam Duskett <aduskett@gmail.com>
Signed-off-by: Matt Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>