files are name aw_*
In some cases, the driver must handle given properties located in specific OF subnode. Instead of creating duplicate set of function, add 'node' as argument to existing functions, defaulting it to device OF node. MFC after: 3 weeks
supports A20, A31, and A31S. Adds support for the BananaPi M2 (A31S) board. Submitted by: Emmanuel Vadot <manu@bidouilliste.com> Reviewed by: jmcneill Differential Revision: https://reviews.freebsd.org/D5580