doc: dm: Fix typo

That's most probably a typo, because driver model design documents seem
to be from 2012 and there is no 2010.01 release.

Fixes: 282ed24fb3ca ("dm: MIGRATION: Add migration plan for CONFIG_DM")
Signed-off-by: Alexander Dahl <ada@thorsis.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
1 file changed