Copy stable/11@r303970 to releng/11.0 as part of the 11.0-RELEASE
cycle.

Prune svn:mergeinfo from the new branch, and rename it to RC1.

Update __FreeBSD_version.

Use the quarterly branch for the default FreeBSD.conf pkg(8) repo and
the dvd1.iso packages population.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Add support for Allwinner A31/A31S R-GPIO (CPUs-PORT) controller.

Submitted by: Emmanuel Vadot <manu@bidouilliste.com>
Reviewed by: jmcneill
Differential Revision: https://reviews.freebsd.org/D5930

Replace the A20 kernel config with a generic ALLWINNER kernel config that
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