Make all the comments '# ' and align to same column. This fixes the
rampently incosnsitent usage which made cut and paste from one file
to another look ugly.
Align all comments in config files on same column. This consistency
helps when bits and pieces of GENERIC from i386 or amd64 are cut and
pasted into other architecture's config files (which in the case of
ARM had gotten rather akimbo).