K 10
svn:author
V 3
kan
K 8
svn:date
V 27
2017-04-08T00:29:44.475618Z
K 7
svn:log
V 231
Add external toolchain ports for aarch64

This involves copying patch file from lang/gcc6
and minor plist tweaks.

Reviewed by:	emaste, andreast, brooks
Approved by:	brooks
Differential Revision:	https://reviews.freebsd.org/D10292

END