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

Install the forth bits on arm64. For now limit it to just arm64 as on x86
these should have been installed as part of the regular loader.

Disable the use of floating-point and vector registers in the loader. They
need the vfp unit to be enabled which may not be the case.

Add support for arm64 to loader.efi and boot1.efi

Reviewed by: emaste
Sponsored by: The FreeBSD Foundation