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

ARM64: bsdinstall support for creating EFI partitions

This patch enables bsdinstall to create EFI partition during installation and uploading it's contents,
making the ARM64 FreeBSD installation bootable.

Obtained from: Semihalf
Sponsored by: Cavium
Approved by: re
Reviewed by: allanjude, emaste, nwhitehorn, wma
Differential Revision: https://reviews.freebsd.org/D6853