FreeBSD_HEAD_arm64 - Build #1703 - Fixed

[jenkins-admin at FreeBSD.org]

FreeBSD_HEAD_arm64 - Build #1703 - Fixed:

Build information: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_arm64/1703/
Full change log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_arm64/1703/changes
Full build log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_arm64/1703/console

Change summaries:

291009 by jhibbits:
Physical addresses for e500mc/e5500 are 36-bits, e6500 is 40-bits.

Increase BUS_SPACE_MAXADDR to allow for this.

Sponsored by:	Alex Perez/Inertial Computing